AJAX: A Beginner’s Guide by Steven Holzner PDF

By Steven Holzner

ISBN-10: 0071595317

ISBN-13: 9780071595315

Книга AJAX: A Beginner’s advisor AJAX: A Beginner’s advisor Книги AJAX Автор: Steven Holzner Год издания: 2008 Формат: pdf Издат.:McGraw-Hill Страниц: 475 Размер: eleven ISBN: 0-07-159531-7 Язык: Английский sixty eight (голосов: 1) Оценка:Essential abilities — made easy!Learn easy methods to use AJAX (Asynchronous JavaScript and XML) to create net functions that replicate the richness of machine functions. utilizing easy-to-follow examples, "AJAX: A Beginner's advisor" will get you got to work with this state-of-the-art selection of applied sciences very quickly. Create XMLHttpRequest items and use JavaScript, XML, DHTML, CSS, Hypertext Preprocessor, and extra to construct next-generation internet functions. you will additionally know about a number of unfastened, pre-written AJAX frameworks you should use correct away.Designed for simple Learning:Key abilities & thoughts — Lists of particular talents coated within the chapter.Ask the professional — "Questions & solutions" sections packed with bonus info and worthy tips.Try This — Hands-on routines that convey find out how to follow your skills.Annotated Syntax — instance code with remark that describes the programming concepts being illustrated.Table of contents:Chapter 1. crucial AJAX bankruptcy 2. learning JavaScript bankruptcy three. developing AJAX purposes bankruptcy four. complete Throttle AJAX bankruptcy five. utilizing AJAX Frameworks bankruptcy 6. dealing with XML in AJAX bankruptcy 7. operating with Cascading type Sheets with AJAX bankruptcy eight. dealing with Dynamic HTML with AJAX bankruptcy nine. Introducing Hypertext Preprocessor with AJAX bankruptcy 10. personal home page extensive bankruptcy eleven. Validating person enter with AJAX and Hypertext Preprocessor bankruptcy 12. utilizing the HTML DOM and AJAX Index

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Extra resources for AJAX: A Beginner’s Guide

Example text

You embed your JavaScript in a web page. html started off like this—just pure HTML: This is a first JavaScript example This is a first JavaScript example. Now we’re going to start adding JavaScript. You place your JavaScript code into an HTML This is a first JavaScript example.

Evaluates to the remainder after dividing two numbers using integer division. String Operators + Joins (concatenates) two strings. += Joins (concatenates) two strings and assigns the joined string to the first operand. Logical Operators && Evaluates to true if both operands are true; otherwise, evaluates to false. || Evaluates to true if either operand is true. However, if both operands are false, evaluates to false. Evaluates to false if its operand is true, and to true if its operand if false.

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Using JavaScript functions

29 30 Ajax: A Beginner’s Guide

Note that in HTML you have to enclose controls, like buttons, list boxes, checkboxes, and so on, in an HTML

element. ” So how do we actually call the display function when the user clicks the button? You can use a little inline code for that. Just giving the name of the function, followed by parentheses, calls the function, so we can call the function when the user clicks the button by assigning the function call to the button’s onclick event: Using JavaScript functions