50 excellent tools to help you achieve various tasks in JavaScript

JavaScript is a powerful client-side scripting language used in many modern websites and Web applications. In the hands of a skilled Web developer, JavaScript can enhance the user’s experience of the website and provide rich interactive components and features. But even though syntactically simple in nature, JavaScript is often difficult to author because of the environment it runs in: the Web browser. JavaScript’s popularity is evident in emerging technologies, such as Adobe AIR, which use it as a supported language for creating desktop-based applications.

  • jQuery UI
    The jQuery UI allows you to design custom user interfaces for Web applications using the jQuery library. With jQuery UI, you can reduce the amount of code you write for common rich interactive features and website widgets. Be sure to check out the jQuery UI Demo page, which showcases some of the things you can accomplish using jQuery UI.

    01 Jqueryui in 50 Useful JavaScript Tools

  • Google Web Toolkit
    The Google Web Toolkit (commonly referred to as GWT) is a framework for developing complex and fully featured AJAX-based Web applications. You write front-end code in Java that is later compiled into optimized and cross-browser-friendly JavaScript. GWT puts the focus on Web application development by reducing the need for testing and debugging JavaScript for browser quirks.
  • Jx
    Jx is a JavaScript library for creating graphical user interfaces written on top of the MooTools framework. Jx is distributed with an MIT license and is well documented. Numerous examples as well as thorough and well-organized API documentation is available on the website.

    02 Jx in 50 Useful JavaScript Tools

  • Freestyle Webtop Toolkit
    Freestyle aims to reduce the complexity and time involved in deploying Web-based user interfaces by eliminating the separation of client-side and server-side development. With Freestyle, you focus on programming logic and UI design, and it handles the rest (i.e. cross-browser compatibility and DHTML and AJAX development).

    03 Freestyle in 50 Useful JavaScript Tools

  • Script#
    Script# is an AJAX and JavaScript authoring tool that allows developers to write in C#. It also allows .NET developers to leverage their existing knowledge and provides powerful tools associated with the .NET framework.

    04 Script in 50 Useful JavaScript Tools

  • Aptana Jaxer
    Aptana Jaxer is the first “AJAX server” that allows developers to use their AJAX, HTML, JavaScript and DOM knowledge to create fully featured server-side-powered Web applications. With Jaxer, you can even write database queries in JavaScript syntax. Jaxer integrates very well with popular JavaScript libraries such as jQuery, Dojo and Ext JS.
  • JS Regex Generator
    JS Regex Generator helps JavaScript developers write Regular Expressions for matching strings of text. This is commonly done for text-format validation, such as when checking if inputted text has the correct date and email format.

    05 Js Regex Generator in 50 Useful JavaScript Tools

  • WaveMaker
    WaveMaker is open-source software for complete Web application development and deployment. You can find a host of demo applications built and deployed using WaveMaker on the Demo Applications page.

    06 Wavemaker in 50 Useful JavaScript Tools

Documentation Tools

  • JSDoc Toolkit
    JSDoc Toolkit makes code documentation a breeze. Written in JavaScript, it helps developers automatically generate templates for JavaScript comments. It’s a great tool for managing large-scale applications developed by teams of developers who have different coding styles.
  • jGrouseDoc
    jGrouseDoc is an open-source project distributed through Google Code under a modified BSD license. It lets developers document and manage their code comments using a format similar to Javadoc’s.

    07 Jsgrouse in 50 Useful JavaScript Tools

JavaScript Debugging Tools

  • Firebug
    Firebug is an extremely popular and well-regarded front-end debugging tool. It has all the features you’d expect from a JavaScript debugging tool, such as the ability to set breakpoints in your code so that you can step through your script. For people developing outside of Mozilla-based browsers, check out Firebug Lite, which is a JavaScript library you can include in your Web pages to access some of the features of Firebug.

    08 Firebug in 50 Useful JavaScript Tools

  • Venkman JavaScript Debugger
    Venkman is Mozilla’s JavaScript debugger and an add-on for Gecko-based browsers. Venkman is a robust and fully featured JavaScript debugging environment, with a host of useful features and options, such as code profiling to inspect your script’s performance.

    09 Venkman in 50 Useful JavaScript Tools

  • Drosera
    Drosera is an excellent debugging tool for Safari and WebKit-based browsers.

    10 Drosera in 50 Useful JavaScript Tools

  • Opera Dragonfly
    Opera Dragonfly is a robust debugging environment for the Opera browser. Dragonfly allows you to view and inspect errors, debug your scripts and inspect and edit the DOM and CSS on the fly.
  • NitobiBug
    NitobiBug is a browser-based JavaScript object logger and inspector. It runs on numerous browsers, including IE, Safari, Opera and Firefox. It is a powerful tool in helping developers build rich interactive AJAX applications.
  • DebugBar
    DebugBar is an in-browser front-end debugger for Internet Explorer. Much like its Firefox counterparts, it has a robust set of features, such as DOM, JavaScript and cookie inspection. Be sure to check out Companion JS, which is a JavaScript debugging library to be used alongside DebugBar.

    11 Debugbar in 50 Useful JavaScript Tools

  • Internet Explorer Developer Toolbar
    Similar to Firebug, IE Developer Toolbar is an in-browser tool to help you debug front-end code in Internet Explorer. It’s especially handy as a debugging and inspection alternative to Firefox when you’re developing and testing in IE.

JavaScript Testing and Validation Tools

  • Test – JavaScriptMVC
    Test is a JavaScriptMVC component for easily setting up automated unit testing for JavaScript code. It lets you effectively test for DOM events (such as a key press or form submission), thereby lessening development time, oversight and errors associated with manual testing.

    12 Test in 50 Useful JavaScript Tools

  • JsUnit
    JsUnit is a popular unit testing framework for JavaScript code. It’s a JavaScript port from another unit testing framework for Java called JUnit. JsUnit allows you to write test cases and provides tools for automated code execution.
  • JSLint
    JSLint is a Web-based tool for verifying your JavaScript code for errors. It has a ton of features and settings that you can use to customize verification algorithms to suit your needs.

    12 Jslint in 50 Useful JavaScript Tools

  • Crosscheck
    Crosscheck is an open-source testing framework for JavaScript. Crosscheck is unique because it works independent of environment: you can run tests outside of a Web browser, which avoids discrepancies that occur when testing in various browsers.
  • YUI Test
    YUI Test is a suite of testing utilities that’s part of the YUI library developed by Yahoo!. It has numerous features, such as easy creation of test cases through an intuitive syntax, advanced failure detection and the ability to organize test cases by grouping them into test suites.

    14 Yui Test in 50 Useful JavaScript Tools

  • J3Unit
    J3Unit is an excellent object-oriented unit-testing framework for JavaScript. It gives you a host of options for writing automated test cases and has three modes: Static Mode, Local Browser Mode and Remote Browser Mode.
  • Regular Expression Tool
    The Regular Expression Tool is an online utility that allows you to test your RegEx code against a sample test. It’s a handy tool to have around when you want to quickly test the efficacy of your regular expressions in a variety of example texts.

    15 Regex Tool in 50 Useful JavaScript Tools

  • JavaScript Regular Expression Tester
    This is another handy tool for testing regular expressions within the Web browser.

    16 Reg Ex Tester in 50 Useful JavaScript Tools

  • JSLitmus
    JSLitmus is a lightweight tool for creating JavaScript benchmarks and performance tests, using an intuitive API.

    27 Jslitmus in 50 Useful JavaScript Tools

Security Tools

  • AttackAPI
    AttackAPI is a framework for writing test cases of potential JavaScript exploits and vulnerabilities.
  • jsfuzzer
    jsfuzzer is a fuzzing tool to help you write (and test for) attack vectors in JavaScript.

New and Alternative JavaScript and Ajax Development Frameworks

  • Clean AJAX
    Clean AJAX is an open-source framework for creating AJAX-based applications. Check out the demo page to see it in action.

    17 Cleanajax in 50 Useful JavaScript Tools

    SAJAX is an excellent toolkit for developing AJAX-based applications. It supports PHP, Perl and Python.

    18 Sajax in 50 Useful JavaScript Tools

  • JavaScriptMVC
    JavaScriptMVC is a Web application framework based on the MVC software architectural pattern. It speeds up Web development processes and lays down best practices, maintainability and standards as principles in a project’s development.
  • qooxdoo
    qooxdoo is a simple and intuitive AJAX application framework. Be sure to check out the Demo Browser, a Web-based application that allows you to view demos of qooxdoo at work.

    19 Qooxdoo in 50 Useful JavaScript Tools

  • SimpleJS
    SimpleJS is a small and lightweight JavaScript library that provides developers with useful JavaScript functions for working with AJAX.

Image Manipulation and Graphing

  • Reflection.js
    Reflection.js automatically adds reflections to your images unobtrusively. Also check out instant.js, a similar script that adds an image border and tilts images on a Web page.

    20 Reflectionjs in 50 Useful JavaScript Tools

  • typeface.js
    typeface.js allows you to embed custom fonts on Web pages, freeing you from having to create images for HTML text.
  • CanvasGraph.js
    CanvasGraph.js is a simple JavaScript library that lets you construct bar, line and pie charts using HTML’s canvas element.

    21 Canvas Graph in 50 Useful JavaScript Tools

  • flot
    flot is a JavaScript library for plotting data and has been tested to work in most modern Web browsers.

    22 Flot in 50 Useful JavaScript Tools

  • JavaScript Diagram Builder
    The JavaScript Diagram Builder is a JavaScript library that consists of a variety of objects and functions for constructing diagrams.

    23 Diagram Builder in 50 Useful JavaScript Tools

  • The Dojo Charting Engine
    The Dojo Charting Engine is a robust utility for creating components for data visualization, written on top of the Dojo Toolkit.

Useful Utilities and JavaScript Scripts

  • Processing.js
    Processing.js is a JavaScript port of Processing, the open-source data-visualization programming language. Check out examples that use Processing.js.
  • AJAX Libraries API
    Google’s AJAX Libraries API allows you to serve popular JavaScript libraries using its CDN, which reduces the server load on your website.
  • DamnIT
    DamnIT is an error-reporting service that allows you to gather feedback from beta testers after they’ve encountered a JavaScript error. This is perfect for live production testing and as a monitoring tool that helps you track errors and weak spots in your Web applications.
  • ie7-js
    ie7-js is a JavaScript library that forces Internet Explorer to behave like a standards-based browser (like Firefox or Opera). It automatically fixes IE browser quirks and deviations from Web standards, as in the case of its box model.
  • Lazy loader
    Lazy loader is a jQuery plug-in that delays the loading of images so that text content can load first, thereby making image-heavy pages load faster.

JavaScript Code Optimization and Minification Tools

  • JS Minifier
    JS Minifier is a Web-based tool for shrinking your JavaScript code to make it as lightweight as possible.

    24 Js Minifier in 50 Useful JavaScript Tools

    JSMIN is a popular JavaScript minifier that removes unneeded characters (like spaces and tabs) and comments, thus reducing your script’s file size.
  • YUI Compressor
    The YUI Compressor is another well-regarded JavaScript code-optimization tool developed by Yahoo!.
  • Scriptalizer
    Scriptalizer is a helpful online tool for combining JavaScript files to reduce HTTP requests.

    25 Scriptilizer in 50 Useful JavaScript Tools

  • ShrinkSafe
    ShrinkSafe is a compression tool that reduces JavaScript file sizes.
  • SlickSpeed Selectors Test
    SlickSpeed is a Web page for comparing the performance of the DOM object selection of various popular frameworks like MooTools and jQuery.

    26 Slickspeed in 50 Useful JavaScript Tools


Jonyju said...

Good Posting

night-fairy-tales said...

Good collection! Thanks

Anonymous said...

good collection.

what about sproutcore, ext3 and qunit (talking about testing - maybe also jsmock and qmock)?

Anonymous said...

sorry - I meant ExtJS (of course)

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