Json Escape Single Quote Javascript

First, let me state if you're attempting to accomplish what I have below, I recommend that you manage events by adding event listeners instead. The solution to this problem is to serialize the JSON. As long as it’s a string you will require quotes. The PowerShell escape character is the grave-accent(`) The escape character can be used in three ways: 1) When used at the end of a line, it is a continuation character - so the command will continue on the next line. Backspace is replaced with \b, Form feed is replaced with \f, Newline is replaced with \n, Carriage return is replaced with \r, Tab is replaced with \t, Double quote is replaced with \", Backslash is replaced with \\. Here is the official JSON semantic:. to treat multiple characters as a single item. If you want to escape it before inserting it into JavaScript then you need to add slashes to the string you get out of json_encode (or rather, since you aren't using that (you should be!) the JSON string you build by hand). Online Encrypt Decrypt Tool. The resulting helper looks like this:. JSON Uses JavaScript Syntax. We can keep any name here it is myJSONdata. The details aren't too important, but the idea is that instead of a single block of text, I'd like to be able to send two distinct blocks with the ajax response. The KVP and JSON parsing document details the specific formats the system will parse. This may be the correct solution, but it seems like my str_replace routine is a little hacky and was looking for alternatives. Unquoted JSON isn't JSON - the JSON spec requires that strings are quoted (with double quotes, not single quotes). In the JSON serialization, JSON objects are used for maps, while arrays and strings are serialized using a convention common to many programming languages. I would think this is a common issue, but I've not been able to find a solution. Escaping/unescaping methods for HTML, JSON, URLs, and others. thanks for the quick reply @andypiper! and that’s a really great guess, i definitely wouldn’t have thought of it. unfortunately it’s not the issue here; i don’t personally control the server time (it’s a PaaS), but i know they run NTP, and i confirmed that the clock is accurate to within ~2s. Thankfully, Gson accepts keys in both single quotes and double quotes e. This list of 43 JSON questions will help you to crack your next JSON job interview. net mvc? in selector text we can use double backslashes to escape the single quote. content" field so all escaping rules for json. If that doesn’t work (as I am not sure), you will need to use 2 quotes for each inner quotation. Escaping single quotes inside a JSON string is neither needed or is it a valid thing to do. However if you intend to use a backslash in an escape sequence, obviously you shouldn't escape it. Triple nesting of quotes isn't possible, so you would think escaping the double quotes around Tom would work, but it doesn't. SafeString(result). The \/command-line tool\/ reads JSON from stdin and writes prettified JSON to stdout. GMS 2 JSON Decode Broken? (' vs. Note that backticks may still be used if "avoid-escape" is enabled and both single and double quotes are present in the string (the latter option takes precedence). The escape() function was deprecated in JavaScript version 1. Parse 'json' with single quotes in python would refuse this as json require double. For the second one, you need to return an IHtmlString to tell Razor that the string is already properly escaped and doesn’t require additional escaping. const json = JSON. decode(s:String) parses the given String into a native Object. do I escape single quote when updating a Json. how to escape Single Quotes when using jQuery AJAX. Unlike XML does not provide any form of schema, or URL pointer to semantic/scheme specification of the data. This section is non-normative. Ask Question double-quotes with \' single quotes. How to: Deserialization of nested JSON. Here Mudassar Ahmed Khan has explained with an example, how to solve the problem when Single Quotes appear in the parameter values when using jQuery AJAX i. Produces a JSON snippet of the /pet URI for a POST operation. The new solution I developed is based on bestiejs's JSON 3, an can be found here. To parse JSON strings use the native JSON. JSON is so lightweight that data interchange, as well as its execution, can be easily read. An SQL/JSON path expression is typically written in an SQL query as an SQL character string literal, so it must be enclosed in single quotes, and any single quotes desired within the value must be doubled (see Section 4. To start viewing messages, select the forum that you want to visit from the selection below. Generating a CQL-compilant serialized object can be done as following:. raw: the string that is inside the quotes. Since scripts/install. JSON and escaped double quote. Note that single quotes should not be escaped in JSON, as there is no need to do so. So some implementations will accept single quotes - but you should not rely on this. Single quotes, apostrophes, or hard quotes are much more restrictive. The real solution is to remember that JSON is a subset of JavaScript literal syntax:. The first two hex digits are always 0, so the escape sequence is really: "\U00xxxxxx". Escape double quote and backslash from a Json string. How can I escape double-quoted strings in a single-quoted JSON string:. Escaping/encoding single quotes in JSON encoded HTML5 data attributes JSON Web Development Front End Scripts Javascript To escape single quotes, use json_encode() to echo arrays in HTML5 data attributes. to json quote the values. The following rules are applied: Escapes all single quote characters by doubling them. The following characters are reserved in JSON and must be properly escaped to be used in strings:. Store JSON Data in Arrays. The single fact that these two characters are allowed without escape in JSON strings while they are not in JavaScript implies that JSON is not a subset of JavaScript, despite the JSON design goals. Enter your messy, minified, or obfuscated CSS Style Sheets into the field above to have it cleaned up and made pretty. Probably not relevant but just in case – I notice that Maxel’s example (from which I pasted) includes JavaScript quotes (beginning with //) People often do that, quite naturally, on the very reasonable assumption that JSON and JavaScript are essentially the same thing. Oracle / PLSQL: Dealing with apostrophes/single quotes in strings. If I were to add to this project, and Parse the C# points into my message string, how can I append this field into my printMessage function parameters? The JSON field for JavaScript points is simply => JavaScript. It has incredibly good human readability and writability, and is a superset of JSON, so you can use fully qualified JSON syntax inside YAML and all will work well. So, for example, would become an actual newline. The JavaScript escape() function is not same as JavaScript string literal escaping. data() method allows us to attach data of any type to DOM elements in a way that is safe from circular references and therefore from memory leaks. It essentially is a complete implementation of a JSON-like encoder/decoder that differs from the official specification in that it uses single quotes for keys and values instead of double quotes. The JSON data structure is made up of a set of objects or arrays. This allows us to still put variables into single quoted strings, and have double quotes to escape the path. Because JSON derives from JavaScript, you can parse a JSON string simply by invoking the eval() function. you should also escape the single quote (better safe than sorry). I am working on a web-application which returns JSON results as "/FileURL", I just need to get /FileURL as a result, means I need to remove quotation marks (double quotes) from returned JSON string using jQuery or Javascript, how can I do that?. The new solution I developed is based on bestiejs's JSON 3, an can be found here. Newest Nessus Plugins from Tenable. I'm making an attempt here to use a JSON interface in a sort-of (or soon-to-be) AJAX-type paradigm. Single quote escape in JavaScript function parameters 6 answers UPDATE: I want to give an updated answer to this question. Supports reading and writing comments. net articles and tutorials,csharp dot net,asp. Nearly every part of VS Code's editor, user interface, and functional behavior has options you can modify. Several characters must be escaped in JSON data to avoid any problems while reading them in JavaScript. escape — Escaping and string manipulation¶. I think all you have to do is change the double quotes to single quotes in the regular expression:. Article: HTML Escape Characters: Complete List London, UK. either a single quote or a double quote. also while single quotes work, the json spec. To continue the example, myString doesn't include escaped quotes, it just includes quotes. JSON (JavaScript Object Notation). 1 { 2 "in_json": "you_use_only_double_quotes" 3} Single quotes are more common. The basic structure of JSON consists of objects , which are sets of string: value pairs surrounded by curly braces:. You are using three literal (ie, non-escaped) double-quote characters. There is no need to backslash-escape forward slashes in JSON-LD. Best way to escape single quotes. JSON (JavaScript Object Notation) is most widely used data format for data interchange on the web. OBSOLETE Patch-ID# 152927-02 NOTE: ***** Your use of the firmware, software and any other materials contained in this update is subject to My Oracle Support Terms of. Deserialize backslash and double-quote fixing hi, still working in serach inside grids. the newLead() function is passed the lead data, and then the key and value paramaters are put into json format, before passing the url and params to the callAPI(). simplejson mimics the json standard library. I agree that changing things in the JSON string is not ideal, but I have not found a way to make it work otherwise. js is running for two different phases, it would be wise in this case to look at the npm_lifecycle_event environment variable. (as shown above) Note: if the value is a interger no need to give double quotes. Built-in template tags and filters¶. Introduction: Here I will explain how to use jQuery to escape single quote in string or show single quote in string using JavaScript. Hats off to you for that. Examining the pros and cons Let's examine the arguments in favor of each kind of quote. { }It is an object, there are many attributes. Just load your JSON and it will automatically get escaped. 0, and Web services applications. stringify() function on the input string. // Single quotes. js will be called when the package is uninstalled. But I get a null value once I json encode it. The hotfix for it is:. Furthermore, the return includes a wrapping pair of quotes, so you don't thereby need to add the wrapper quote/single-quote, but, still need quite a bit of care to choose the combination amongst the quote and single quote. If that doesn’t work (as I am not sure), you will need to use 2 quotes for each inner quotation. That is more work then you need though. Below lists these escape sequences: \ddd The Latin-1 character specified by the three octal digits between 0 and 377. I go through and get all the fields in a field set, then serialize them into JSON, and then I grab that JSON string in my Javascript on the client side, then parse the fields out with JSON. Serialization. The other character within a string no need to escape. Can any one suggest a way to escape the string with JavaScript. Analyze your JSON string as you type with an online Javascript parser, featuring tree view and syntax highlighting. The KVP and JSON parsing document details the specific formats the system will parse. Specifically, a raw string cannot end in a single backslash (since the backslash would escape the following quote character). JSON is a data format that is common in configuration files like package. Escape/Unescape The first section of this page explains how to "escape" any text, HTML, or Javascript to make it generally unreadable to the common user. initialize clob output and then. I figured I'd just escape the apostrophe ('), but that made no difference. However, think about when your data contain " and ' , there the problem comes. ‘’ and double quotes “” along with forward slash on closing tags. The new solution I developed is based on bestiejs's JSON 3, an can be found here. NET,JQuery,JavaScript,Gridview aspdotnet-suresh offers C#. js We will create a JavaScript Function to Display JSON Data using the above created “. The JSON file adapter provides access to JSON files stored in HDFS. Intrigued by this, and having written about the similar topic of JavaScript identifiers before, I decided to look into valid property names in JavaScript. The ConvertTo-Json cmdlet is pretty neat, since it allows us to convert existing data from PowerShell directly into the JSON format. If i get rid of the single quote, and make the name Jim Obrien, then it works fine. Having apostrophe ' in json data. However, there seems to be something that prevents single quotes from working. So, for example, a string containing only a single reverse solidus character may be represented as “\u005C”. For the first one, you just need to go through the input string and replace each character which needs escaping by a proper escape sequence. A JSON string must be enclosed by double quotes. Next, let's convert a basic JavaScript object literal to JSON:. I always thought the choice between using double quotes and single quotes in your Javascript was upto you but I've come across a strange occurrence in this exercise. org for the very simple document of JSON syntax. Return Types. If you have multiple fields of data Use a JSON encoded object and attach it to a data attribute. Also, the single-quote in the CSS url is not required, and is perhaps confusing the matter. The details aren't too important, but the idea is that instead of a single block of text, I'd like to be able to send two distinct blocks with the ajax response. Rather than ~0 and ~1, why not use a repeated (double) slash to escape a slash? This is similar to how SQL escapes single quotes in string literals by using the single quote twice. This appears to only affect HNum and HMarker objects, and to me would be the best approach. Since the JavaScript interpreter reads the first quote it encounters as the beginning of the string, and reads the very next quote it encounters as the end of the string, we need a way to signify that a quote is part of a string and not the end of it. Table of. JSON (JavaScript Object Notation) is widely used by web applications, mobile apps, and other programs to communicate between different systems (such as between a client and server). OBSOLETE Patch-ID# 152927-02 NOTE: ***** Your use of the firmware, software and any other materials contained in this update is subject to My Oracle Support Terms of. as_perl(). Newest Nessus Plugins from Tenable. Summary of Features. Generate Plain Old Java Objects, XML from JSON or even JSON-Schema. This has to be escaped and then posted using AJAX call. ASPJSON is a free to use project for generating and reading JSON data into a classic ASP object. What's different about Flexjson is it's control over what gets serialized allowing both deep and shallow copies of objects. JSON parsing fails if single quotes are used? If this is your first visit, you may have to register before you can post. So the last single quote is interpreted as the start of a new string which imply the highlighting is wrong for the reste of the file. Escaping Single and Double Quotes in a generated String I am building an administrative panel for one of my applications using ajax so I'm using lots of javascript to display information on. If your Title is something like Bla & Fasel then yes, it is valid JSON without quotes. All these years we’ve heard it over and over again: “JSON is a JavaScript. Note that I’ve wrapped the attribute value in single quotes instead of double quotes to avoid having to escape the many double quotes in the JSON-formatted data. c file, please change wherever necessary for your situation. >> watch lsof -i :80 * Single Line Twitter Validate and pretty-print JSON expressions. This section is non-normative. parse method instead. This isn't a bug. use the following search parameters to narrow your results: subreddit:subreddit find submissions in "subreddit" author:username find submissions by "username" site:example. the scenario is as follows string. Since a JSON structure is usually anonymous and doesn't necessarily have a "root member object" JSONPath assumes the abstract name $ assigned to the outer level object. escaping is not done as the spec requires it, but that's easy to fix. Below is examples of storing and nesting JSON Data. OBSOLETE Patch-ID# 152927-02 NOTE: ***** Your use of the firmware, software and any other materials contained in this update is subject to My Oracle Support Terms of. json, VS Code provides features to make it simpler to write or modify the file's content. Someone might want to expand it to also change single quotes to double quotes, and fix other kinds of. By default, it is disabled. In the JSON serialization, JSON objects are used for maps, while arrays and strings are serialized using a convention common to many programming languages. According to the JSON specs, the single quote is not in the list of characters that can follow the escape character (such as n, t, b, r, etc. Overall, I would prefer to build JSON from real objects which gives me the ability to serialize to XML, JSON, or whatever. Field (Serializable) mode serialization. For example, in JavaScript, object property names can be enclosed in single quotes ('') or double quotes (""), or you can omit the quotes altogether. Hexadecimal to String. automatic escape. Free online JSON escaper. We can keep any name here it is myJSONdata. The OWASP guide recommends to escape all characters less than 256 (rather than less than 32 or above 127 like you have there). js" extension. Problem is that values sometime include double-quotes themselves, and those need to be escaped - but I can't figure out how to do that. JSON is often used for serializing and transmitting structured data over a network connection and therefore is commonly used in AJAX, Web 2. bool, for JSON booleans float64, for JSON numbers string, for JSON strings []interface{}, for JSON arrays map[string]interface{}, for JSON objects nil for JSON null Meaning, your numbers will always be of typefloat64, and will need to be casted to int, for example. Net Framework 3. Double quotes & single quotes when using the Search REST API of SharePoint 2013 combined with KQL from JavaScript. JavaScript Object Literal to JSON. While it is named after JavaScript , there are libraries for many other programming and scripting languages to let them use this format as well. StringEscapeHandling Enumeration. Just replace ' with \', and you should be good to go. The length property counts escape sequences such as as two characters. to treat multiple characters as a single item. Answers: Ideally, find a JSON library in your language that you can feed some appropriate data structure to, and let it worry about how to escape things. But, this way I`m getting extra slashes in the flex, so I have to strip them again. JSON itself became an ECMA international standard in 2013 as the ECMA-404 standard. Except Authorized Person In Quick Edit View Using JavaScript And Content Editor. These, technically, are not supported for JSON, but they can be passed to JavaScript functions. Except MySQL also parses double quotes and various other unicode characters as well. We can keep any name here it is myJSONdata. I use Windows indeed. A new string representing the original string wrapped in double-quotes, with any special characters escaped. If I use double quotes and escape the double quotes surrounding the key, it works. escape (default \): sets a single character used for escaping quotes inside an already quoted value. Text serializer is used for JSON. In the HTML we use double-quotes and in the JavaScript single-quotes, so any quotes within the JavaScript code will need to be escaped so that they don't conflict with either the HTML or JavaScript quotes. you do not need to use a leading "\" to escape the leading. It essentially is a complete implementation of a JSON-like encoder/decoder that differs from the official specification in that it uses single quotes for keys and values instead of double quotes. Single quotes are not valid JSON (run your code through jsonlint. Read more: json. File type is determined by the extension, and supported ones are: *. Escaping single quotes from all attribute and element text node values via XSL transform by Paul Kiddie • January 24, 2013 • xml , xsl • 0 Comments This output HTML would form part of a Javascript object, so it was important that all single quotes were escaped, otherwise it would lead to invalid Javascript being output. For example, you can query JSON that is stored as lines in a large text file by using json:parse-as-xml with the text:collection function. That is more work then you need though. We can set several distinct values for a single element and retrieve them later:. MIME types defined: application/xquery. But i was trying to pass a json from php to javascript in a inline html way. charToEscapeQuoteEscaping (default escape or \0): sets a single character used for escaping the escape for the quote character. The Bottom Line. json_populate_recordset(base anyelement, from_json json, [, use_json_as_text bool=false] and any other code point in a Unicode escape sequence will result in an. Generate Plain Old Java Objects, XML from JSON or even JSON-Schema. If this is your first visit, be sure to check out the FAQ by clicking the link above. JSON is a text-based, human-readable format for representing simple data structures and associative arrays (called objects). Escapes or unescapes a JSON string removing traces of offending characters that could prevent parsing. I find this is especially useful when writing unit tests when I have to mock some data. Enter the String get sample. Opt-out mode serialization. In computing, JavaScript Object Notation or JSON, is an open-standard file format that uses human-readable text to transmit data objects consisting of attribute– value pairs and array data types (or any other serializable value). There are some reserved single character escape sequences for use in strings: \b: backspace (U+0008 BACKSPACE). Tag: path,escaping,applescript,filenames,space I've written a script so I can quickly get a link to files and folders on my server. She said "You're right". This would bring in the date values that you shared without any quotes around them and as single values. The other character within a string no need to escape. This isn't a bug. Encodes or decodes a string so that it conforms to the the Uniform Resource Locators Specification - URL (RFC 1738). JSON is a lightweight text based, data-interchange format and it completely language independent. This list of 43 JSON questions will help you to crack your next JSON job interview. Some languages also offer a "anti-escape" operator, Replace double quotes with single quote in a JSON string. JSON (the JavaScript Object Notation) is the basis for this class. The new solution I developed is based on bestiejs's JSON 3, an can be found here. jQuery Show Single Quote in StringTo show string with single quote we need to write the code as shown below If you want to see it in complete example check below code jQuery Show Single Quote in…. This JavaScript library is the official reference implementation for JSON5 parsing and serialization libraries. The path expression matches a single JSON object, which does not require an array wrapper. How to use Json in JavaScript. Below are 2 simple examples of both. Can someone please point me in the right direction on how to do this? I need the final result to be formatted like the JSON above. Single quoted strings are not legal in JSON. See method format. By default, it is disabled. There are a lot of builtin filters for extracting a particular field of an object, or converting a number to a string, or various other standard. SQL Escape Escapes or unescapes a SQL string removing traces of offending characters that could prevent execution. This article explores how template literals are strictly better than strings, and how they too should become the new default of a post-ES6 era – over single and double quoted strings. If I use double quotes and escape the double quotes surrounding the key, it works. It essentially is a complete implementation of a JSON-like encoder/decoder that differs from the official specification in that it uses single quotes for keys and values instead of double quotes. Load JSON, escape JSON. Generating a CQL-compilant serialized object can be done as following:. It's showing the backslash because you're also escaping the backslash. The range for the "x"s is: 000000 - 10FFFF. stringify() method converts a JavaScript object or value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified. 5) function that was used for URL encoding. If you want to escape it before inserting it into JavaScript then you need to add slashes to the string you get out of json_encode (or rather, since you aren’t using that (you should be!) the JSON string you build by hand). This is problematic as other JSON parsers might not understand those escaping characters. com Here Mudassar Ahmed Khan has explained with an example, how to solve the problem when Single Quotes appear in the parameter values when using jQuery AJAX i. The easiest way to escape single quote in a string to double up the quote. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. I'm assuming that the RSS feed input you're receiving is s json input. thanks for the quick reply @andypiper! and that’s a really great guess, i definitely wouldn’t have thought of it. By default, the ServiceStack. The encodeURI() function encodes a Uniform Resource Identifier (URI) by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two "surrogate" characters). Nesting Quotes And The Escape Character Many times you will work with strings which contain quotes. Escape single quotes in JSON encoded HTML5 data attributes. The question asked is analogous to the title of a wiki page; it’s not transactional but communal. First the global search for all quotes (either single or. Similar to C/C++, JavaScript uses escape sequences to allow you to place special characters into strings. So firstly i replaced one slash with two slashes and also escaped a quote. The escape sequence starts with a backslash (\), followed by another character. JSON is a text-based, human-readable format for representing simple data structures and associative arrays (called objects). A second technique used to biometrically authenticate someone is to scan their iris. Once the data is brought in as separate columns, you could use the LIST function to bring the columns together into a single entity and lastly the TOJSON function on the List object to output a JSON string. But, other possible output formats have been implemented. ‘ ‘ Single quotes. The solution to this problem is to serialize the JSON string using JSON2 Stringify method and then pass as parameter to the WebMethod. Apostrophe in javascript. Simple jQuery code snippets to replace single quotes and replace double quotes using the jQuery. Currently my rsyslog. Less visual clutter. Many popular implementations are quite restrictive in this regard and will reject JSON that contains single quoted strings and/or escaped single quotes. Json escape single quote javascript How much, in dollars, did it recoup at the box office in the first 72 hours? On a daily basis prison officers must deal with concerted acts of indiscipline, violence, hostage taking, self-harm and deaths in custody. So some implementations will accept single quotes - but you should not rely on this. and embedding the property inside a pair of single quotes to construct a javascript string. If that is the case, I've got this working with the new compose action. Transact-SQL Syntax Conventions. Deserialize backslash and double-quote fixing hi, still working in serach inside grids. I am not sure, but I believe that CSV uses double quotes as its standard (but I could be off on that). html is the main page and Update_1. my solution until then was to usse single quotes and on the javascript side replace them by double quotes: with: jsonData = jsonData. Escaping the double quotes inside a single-quoted string is I believe what's giving you trouble. escapeHtml, it doesn’t escape quotes and when I wrap the whole string in a pair of 's, a malformed JSON will be generated. They are used to quote within double quotes without the need for escape characters in ARM templates. Escape single quotes in JSON encoded HTML5 data attributes. A second technique used to biometrically authenticate someone is to scan their iris. NET Documentation. JSON files and javascript syntax We Will be using collection of JSON data using array & object in JSON format, and save this file with ". I go through and get all the fields in a field set, then serialize them into JSON, and then I grab that JSON string in my Javascript on the client side, then parse the fields out with JSON. For example, escape will encode the capital Cyrillic letter A as %u0410. I like to use single apostrophe in code, except for when the string literal itself contains an apostrophe (easier to read without the escape backslash!) In JSON data files, the double quote is required for properly formatted json… e. JSON format is widely used for data-exchange in applications. Even though MySQL supports JSON type for some time now, there are still plenty of gotchas while you work with it. after escape it should display Best way to get single Queue ID and assign as owner?. Apache Commons Lang 3. Backslashes still need to be escaped, and all other backslash-escape sequences work like in regular JSON. Article: HTML Escape Characters: Complete List London, UK. encodeURI and encodeURIComponent In addition to escape, modern browsers support two more functions for URL-encoding: encodeURI and encodeURIComponent. I assume that you're trying to send that JSON to the remote website in question. But, other possible output formats have been implemented. It follows traditional unix style quoting and escaping via the shell. the newLead() function is passed the lead data, and then the key and value paramaters are put into json format, before passing the url and params to the callAPI(). For example, you might need to quote or escape options and filenames:. I use Windows indeed. You have to escape it in the developer console's code, not your class' code. Pretty Print JSON" button, and see pretty. Writers like os. September 2, which would sort the problem with escaping the single quotes in the session variable. The plans include a ban on the sale of new petrol and diesel fuelled cars by 2040 and a ban on the use of gas and oil boilers in new houses by 2025. stringify to. JSON dictates double quotes (") be escaped using a backslash (\). #performance #truestory” – @mathias; Among the respondents, there was a slight preference for single quotes. (Why are you writing a static string of JSON and then parsing it anyway, why not just remove the quotes from around the edge and treat it as a JavaScript object literal?). The range for the "x"s is: 000000 - 10FFFF. There are other special characters as well, that have special meaning in a regexp. So to satisfy their data structure and data type, JSON supports various data types of its own to make things easier. JavaScript uses the \ (backslash) as an escape character for: \' single quote \" double quote \\ backslash new line \r carriage return \t tab \b backspace \f form feed \v vertical tab (Internet Explorer 9 and older treats '\v as 'v instead of a vertical tab ('\x0B). With JavaScript you can create an object and assign data to it, like this:. The single fact that these two characters are allowed without escape in JSON strings while they are not in JavaScript implies that JSON is not a subset of JavaScript, despite the JSON design goals.