Packt+ | Advance your knowledge in tech

You're reading from Learning jQuery - Fourth Edition Add to your current website development skills with this brilliant guide to JQuery. This step by step course needs little prior JavaScript knowledge so is suitable for beginners and more seasoned developers alike.

Product type Paperback

Published in Jun 2013

Publisher Packt

ISBN-13 9781782163145

Length 444 pages

Edition 4th Edition

Languages

JavaScript

Tools

jQuery

Concepts

Web Utilities

Learning jQuery Fourth Edition

Credits

Foreword

About the Authors

About the Reviewers

www.PacktPub.com

Preface

1. Getting Started

2. Selecting Elements FREE CHAPTER

3. Handling Events

4. Styling and Animating

5. Manipulating the DOM

6. Sending Data with Ajax

7. Using Plugins

8. Developing Plugins

9. Advanced Selectors and Traversing

10. Advanced Events

11. Advanced Effects

12. Advanced DOM Manipulation

13. Advanced Ajax

JavaScript Closures

Testing JavaScript with QUnit

Quick Reference

Index

These utility methods do not fit neatly into the previous categories, but are often very useful when writing scripts using jQuery.

Property	Description
`$.support`	Returns an object containing properties indicating whether the browser supports various features and standards.

Function	Description
`$.each(collection, callback)`	Iterates over `collection`, executing `callback` for each item.
`$.extend(target, addition, ...)`	Modifies the object `target` by adding properties from the other supplied objects.
`$.grep(array, callback, [invert])`	Filters `array` by using `callback` as a test.
`$.makeArray(object)`	Converts `object` into an array.
`$.map(array, callback)`	Constructs a new array consisting of the result of `callback` being called on each item.
`$.inArray(value, array)`	Determines whether `value` is in `array`.
`$.merge(array1, array2)`	Combines the contents of `array1` and `array2`.
`$.unique(array)`	Removes any duplicate DOM elements from `array`.

Function	Description
`$.isArray(object)`	Determines whether `object` is a true JavaScript array.
`$.isEmptyObject(object)`	Determines whether `object` is empty.
`$.isFunction(object)`	Determines whether `object` is a function.
`$.isPlainObject(object)`	Determines whether `object` was created as an object literal or with `new Object`.
`$.isNumeric(object)`	Determines whether `object` is a numeric scalar value.
`$.isWindow(object)`	Determines whether `object` represents a browser window.
`$.isXMLDoc(object)`	Determines whether `object` is an XML node.
`$.type(object)`	Gets the JavaScript class of `object`.

Function	Description
`$.trim(string)`	Removes whitespace from the ends of `string`.
`$.noConflict([removeAll])`	Reverts `$` to its pre-jQuery definition.
`$.noop()`	A function that does nothing.
`$.now()`	The current time in milliseconds since the epoch.
`$.holdReady(hold)`	Stops the `ready` event from being triggered, or releases this hold.