Book Image

Learning jQuery 3 - Fifth Edition

By : Jonathan Chaffer, Karl Swedberg
Book Image

Learning jQuery 3 - Fifth Edition

By: Jonathan Chaffer, Karl Swedberg

Overview of this book

If you are a web developer and want to create web applications that look good, are efficient, have rich user interfaces, and integrate seamlessly with any backend using AJAX, then this book is the ideal match for you. We’ll show you how you can integrate jQuery 3.0 into your web pages, avoid complex JavaScript code, create brilliant animation effects for your web applications, and create a flawless app. We start by configuring and customising the jQuery environment, and getting hands-on with DOM manipulation. Next, we’ll explore event handling advanced animations, creating optimised user interfaces, and building useful third-party plugins. Also, we'll learn how to integrate jQuery with your favourite back-end framework. Moving on, we’ll learn how the ECMAScript 6 features affect your web development process with jQuery. we’ll discover how to use the newly introduced JavaScript promises and the new animation API in jQuery 3.0 in great detail, along with sample code and examples. By the end of the book, you will be able to successfully create a fully featured and efficient single page web application and leverage all the new features of jQuery 3.0 effectively.
Table of Contents (23 chapters)
Title Page
About the Authors
About the Reviewer
Customer Feedback

Miscellaneous properties and functions

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

Properties of the jQuery object




A promise instance that's resolved as soon as the DOM is ready.

Arrays and objects



$.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.


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.


Removes any duplicate DOM elements from array.

Object introspection