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It was replaced by jQuery as of Rails 3.1 [8] Many of the Ruby on Rails Ajax-enabled helper methods used to work by using Prototype to perform an Ajax request in older versions of Rails. In most cases Javascript code is returned by the server to be executed by the browser, unlike the usual case where Ajax is used to retrieve data in XML or JSON ...
JSFuck can be used to bypass detection of malicious code submitted on websites, e.g. in cross-site scripting (XSS) attacks. [10] Another potential use of JSFuck lies in code obfuscation. An optimized version of JSFuck has been used to encode jQuery, a JavaScript library, into a fully functional version written with just the six characters. [11]
JavaScript Object Notation (JSON) is often used as an alternative format for data interchange, [15] although other formats such as preformatted HTML or plain text can also be used. [16] A variety of popular JavaScript libraries, including JQuery, include abstractions to assist in executing Ajax requests.
In computing, Jackson is a high-performance JSON processor for Java. Its developers extol the combination of fast, correct, lightweight, and ergonomic attributes of the library. Its developers extol the combination of fast, correct, lightweight, and ergonomic attributes of the library.
Length-prefixed JSON is also well-suited for TCP applications, where a single "message" may be divided into arbitrary chunks, because the prefixed length tells the parser exactly how many bytes to expect before attempting to parse a JSON string. This example shows two length-prefixed JSON objects (with each length being the byte-length of the ...
[4] [5] It was described as being "like sed for JSON data". [6] Support for regular expressions was added in jq version 1.5. A "wrapper" program for jq named yq adds support for YAML, XML and TOML. It was first released in 2017. [7] The Go implementation, gojq, was initially released in 2019. [8] gojq notably extends jq to include support for YAML.
The Closure Compiler is a tool that attempts to compress and optimize JavaScript code, at the expense of human readability. Unlike an actual compiler, it does not compile from JavaScript to machine code but rather minifies JavaScript. The process executes the following steps: Parses the submitted JavaScript; Analyzes the JavaScript; Removes any ...
Douglas Crockford originally wrote json2.js as an API for reading and writing his (then up-and-coming) JSON data format. It became so widely used that browser vendors decided to implement its API natively and turn it into a de facto standard ; Since json2.js now implements features native to newer browsers into older browsers, it has become a ...