The next set of cheat sheets that we are going to feature right now is very helpful for web developers working on the popular programming language JavaScript and AJAX technology. Cheat sheets serve as a reference guide for web designers to quickly remember things as it delivers the information you are looking for immediately. It contains plenty of shortcut tools and syntax code that may help you to be a master of most widely used Applications on the web.
Here are the 22 Essential AJAX and JavaScript Cheat Sheets that are readily available for printing. All of these Ajax and JavaScript cheat sheets are designed to act as your reminder and as a comprehensive reference sheet to aid you with the development in every aspect of Ajax and JavaScript.
JavaScript Quick Reference Card

The core features of JavaScript such as naming conventions, variable types, control structures, intrinsic functions were summarized in this quick reference card.
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DOM JavaScript Cheat Sheet

A small DOM cheatsheet for some developers which can be very handy.
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JavaScript & AJAX For Dummies Cheat Sheet

JavaScript & AJAX For Dummies Cheat Sheet presents a table for the most common programming variables, commands, methods, and coding miscellany used in JavaScript programs, jQuery, and AJAX.
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XUL JavaScript – JavaScript Cheat Sheet

XUL JavaScript – JavaScript Cheat Sheet gives information on variables and functions that are useful in JavaScript.
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Microsoft Ajax Library Cheat Sheets

Microsoft Ajax Library Cheat Sheets were created by Millan Negovans and these consist of array extensions, client life-cycle events, date and boolean extensions, DOMElement class, DOMEvent class, number and error extensions, string and object extensions.
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Prototype 1.5.0 Cheat Sheet

Prototype 1.5.0 Cheat Sheet was created by Jonathan Snook which presents the methods and properties of each of the modules within the Prototype JavaScript library.
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Ajax a ‘web 2.0’ Cheat Sheet by Amy Hoy

A very helpful “web 2.0” cheat sheet by Amy Hoy.
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Added Bytes – JavaScript Cheat Sheet

JavaScript Cheat Sheet from Added Bytes acts as a reminder and reference sheet for designers about the methods and functions, including a guide to regular expressions and the XMLHttpRequest object.
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JavaScript Reference Card

A JavaScript reference card by Addison-Wesley designed to act as a reminder and reference sheet about the methods and functions of JavaScript.
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Ruby, Ajax and Javascript Cheat Sheet

Ruby, Ajax and Javascript Cheat Sheet is a nice quick reference guide for Javascript developers created by Amy Holy.
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jQuery 1.2 Cheat Sheet

jQuery 1.2 Cheat Sheet is a handy document for PHP developers.
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JavaScript and Browser Objects Quick Reference

JavaScript and Browser Objects Quick Reference is a cheat sheet downloadable in PDF format.
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Snipplr – jQuery CheatSheet

Snipplr – jQuery CheatSheet lists important codes and information that can be used for jQuery.
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Symfony Cheat Sheet – Helpers Javascript e Ajax

Symfony Cheat Sheet – Helpers Javascript e Ajax is a useful cheat sheet created by Andreia Bohner.
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Javascript Reference

Javascript Reference is a very useful excerpt of VisiBone Javascript.
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Javascript in one page

Almost all the aspects of Javascript development are presented in this HTML cheat sheet.
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Regular Expressions for JavaScript

Regular Expressions for JavaScript is a syntax you can use to validate form entry, parse URLs, and many other things.
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jQuery 1.2 Cheatsheet v1.0

jQuery 1.2 Cheatsheet v1.0 is downloadable in PDF format.
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jQuery 1.1 Cheat Sheet – A to Z

jQuery 1.1 Cheat Sheet – A to Z is a quick reference for you about Ajax, DOM, Events, Core, CSS, Effects, etc.
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Javascript in Ten Minutes

Javascript in Ten Minutes is available in PDF format that serves as a refresher for those who already know Javascript.
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Javascript DOM for Web Browsers

Javascript DOM for Web Browsers is a must bookmark quick reference guide for Javascript Document Object Models.
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AJAX on Rails

This reference guide covered a brief intro for developers who wish to develop Ajax with Ruby on Rails.
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