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- Herausgeber: Packt Publishing
- Kategorie: Fachliteratur
- Sprache: Englisch
jQuery's selectors is one of the most important concepts of the jQuery library. Usually, the first thing you do is to select one or more elements of a page in order to manipulate them. Therefore, to efficiently learn the usage of jQuery's selectors is one of the first steps to successfully build your website.
Instant jQuery Selectors is a practical guide that will teach you how to use jQuery's selectors efficiently in order to easily select theelements of your pages to operate upon with jQuery's methods. You will go through the most common problems that you could face while developing your project and will learn how to solve them with the help of focused examples that Instant jQuery Selectors has to offer.
Instant jQuery Selectors, starting from how to set up jQuery and how to choose the right version for your project, explains to you all the selectors available using a multitude of simple and practical recipes that will help you start using selectors in the right way. Reading the presented recipes you'll learn about the numerous selectors and filters of jQuery – almost 100 of them! You will see how to reuse collections, the methods to filter collections, and how to take advantage of the lesser known parameter of jQuery's constructor: context. Also, you'll discover the methods to traverse the DOM and the techniques to improve the performance of your website by just tweaking selectors.
Instant jQuery Selectors is the resource to learn everything you need to know about jQuery's selectors.
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Seitenzahl: 81
Veröffentlichungsjahr: 2013
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Table of Contents
Instant jQuery Selectors
Instant JQuery Selectors
Copyright © 2013 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: August 2013
Production Reference: 1230813
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78328-221-0
www.packtpub.com
Credits
Author
Aurelio De Rosa
Reviewers
Kent C. Dodds
Acquisition Editor
Nikhil Karkal
Mary Jasmine Nadar
Commissioning Editor
Nikhil Chinnari
Technical Editor
Dipika Gaonkar
Project Coordinator
Esha Thakker
Proofreader
Joel T. Johnson
Production Coordinator
Adonia Jones
Cover Work
Adonia Jones
Cover Image
Abhinash Sahu
About the Author
Aurelio De Rosa is an Italian web and application developer with more than five years' experience in programming for web using HTML5, CSS3, JavaScript, and PHP. He mainly uses the LAMP stack and frameworks, such as jQuery, jQuery Mobile, and Cordova (PhoneGap). His interests also include web security, web accessibility, SEO, and WordPress.
He is currently self-employed working with the cited technologies and is also a regular blogger for several networks (SitePoint, Tuts+, and FlippinAwesome), where he writes articles about the topics he usually works with and more.
You can find more about him at his website http://www.audero.it.
First of all, I'd like to thank my parents, Raffaele and Eufemia, because they gave me chance to study and follow this path that I've chosen, and for this I owe them. With all your sacrifices, you allowed me to have everything a person may need in his life. I also want to thank Annarita for teaching me the true meaning of the word "love". With you my life is full of moments of joy and I hope we'll be together for the rest of our lives. I want to thank Francesco for always being there in the time of need and proving to me that lifetime friendship can really exist.
About the Reviewer
Kent C. Dodds is a young and upcoming front end developer. Kent is currently pursuing his Masters in Information Systems Management degree from Brigham Young University in Provo, Utah. Kent anticipates staying on with Domo Technologies Incorporated upon his graduation as an AngularJS front-end developer. Domo Technologies is a start up making huge waves in the Business Intelligence world and Kent looks forward to helping make that wave grow bigger.
Kent was born and raised in Twin Falls, Idaho as the eleventh child of twelve and has always loved spending time with family. Kent grew up loving being productive with computers and his interests have only grown with time.
Kent loves to contribute to the online community and hopes that his StackOverflow, GitHub, and Google+ accounts will provide himself and others opportunities to discover new technologies to improve themselves professionally.
In his spare time, Kent enjoys spending time with his beautiful wife Brooke and their daughter Becca. They are expecting another addition to their little family in December 2013, and on the day of writing this, Kent and Brooke celebrated their second anniversary. Of course, Kent would like to thank Brooke and Becca without whom he would be a lot less happy and a less satisfied person. Kent also enjoys investigating new technologies and building new things to always keep learning.
Feel free to connect with Kent online at http://kent.doddsfamily.us.
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In loving memory of my grandmother, Giuseppina.
Preface
jQuery is a popular JavaScript library designed to simplify the client-side scripting of HTML, widely used by most of the websites on the Internet. It helps you to manipulate elements, and create fancy interactive websites in a very easy way that is compatible with modern and older browsers as well.
Instant jQuery Selectors will take you as a beginner and turn you into an expert that knows all of the tips and tricks of the pros about the jQuery's basic element: selectors. Through the use of examples, you'll be able to start using selectors efficiently and easily to solve your day-to-day problems.
What this book covers
Setting up jQuery (Must know) explains how to download and include jQuery in a web page and a good rule of thumb to choose between the two major jQuery branches, 1.X and 2.X.
The All selector (Must know) covers the All (or Universal) selector, to select all of the elements of a document.
Selecting by ID (Must know) introduces the ID selector and how jQuery manages it behind the scenes.
Selecting by class (Must know) describes the Class selector and how to optimize it for older browsers.
Selecting by tag (Must know) demonstrates the use of the Element selector and how you can use it in conjunction with other selectors.
Multiple selectors at once (Should know) shows how to use more than one selector in a single call.
Selecting by hierarchy (Must know) covers the hierarchy operators that allow you to retrieve elements by their relationship in the DOM.
Selecting by attributes (Should know) describes how many and what are the selectors to collect elements by their attributes.
Selecting by position using filters (Should know) introduces filters, and in particular those that allow to filter a collection using the elements' positions inside the collection itself.
Selecting from elements using filters (Should know) covers filters specific to form elements.
Child filters (Should know) describes filters to target node's children.
Other filters (Become an expert) shows the filters not covered in the previous recipes.
Custom filters (Become an expert) explains how to create a custom filter using two approaches.
Context matters (Should know) shows how to use the second parameter of the jQuery constructor in order to improve performance.
