jQuery Recipes: A Problem-Solution Approach by B. M. Harwani

By B. M. Harwani

JQuery has been round for many years now and is already pretty well the number 1 or #2 JavaScript library utilized in web pages this present day. you recognize its rising in popularity if you see the entire fresh books which have been released at the topic regardless of the nice quantity of data at the jQuery site. and because Microsoft is together with jQuery aid of their subsequent model of visible Studio (2010), you recognize it is going to develop much more. So every person is leaping in at the jQuery bandwagon.Of the entire books out on jQuery at the present time, such a lot are only paper types of the net documentation of jQuery web site or the educational part. This e-book is different.This is likely one of the only a few books that really is going past the elemental on-line tutorials you notice on-line and very is going in the course of the whole gambit of 'real-world' functions for jQuery.A few examples are:1. Updating DOM tree components in complicated html layouts2. Manipulating string and array information (improving JavaScript syntax)3. having access to a number of mouse occasions through listeners4. every type of shape point validation5. snapshot manipulation (scrolling, relocating, toggling, fading, etc.)6. Manipulating tables7. gaining access to CSS parts and HTML elementsEach bankruptcy has a minimum of 10-20 subsections of important jQuery recommendations so you might practice in a couple of minutes in your present webiste it doesn't matter what techology you're utilizing behind the curtain. it may be used as a reference ebook or a studying instrument the place you learn conceal to hide. Its quite the single jQuery e-book you will ever need.A nice purchase.

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To make the serial numbers begin with 1 instead of 0, we can add 1 to i in each iteration. "+n) This statement returns all the elements of the array one by one with index beginning from 1. The output that we get is as shown in Figure 2-5. Figure 2-5. toUpperCase()); }); Recall that the arguments n and i in the callback function refer to the array element and index number respectively. We can see that the application of toUpperCase() to n (that is, the names stored in the array in the form of array elements) converts the names into uppercase and returns them for displaying in the paragraph element.

Installing jQuery Problem You want to install jQuery so you can use it in your application and follow the recipes in this book. js (JavaScript) file and it is very easy to download and install jQuery in any web application. com/. 2. Copy the downloaded file to the folder where you are going to write jQuery programs. css (or any name you wish to call it) to the HTML file. js here, but it can be any name) that contains the jQuery code from the recipes in this book. 1-2. Selecting Nodes in the DOM Problem You want to use jQuery to access elements in the Document Object Model (DOM) in order to manipulate them.

These fundamental recipes will help refresh your memory or fill in any gaps in your knowledge. We will be covering the following recipes in this chapter: • Installing jQuery • Selecting nodes in the DOM • Delaying the execution of JavaScript • Applying CSS to elements • Selecting a non-standard series of HTML elements • Counting the number of nodes in the DOM and displaying their text • Obtaining the HTML of an element • Changing the content of a DOM node • Creating a DOM node on the fly • Assigning the same class name to different HTML elements and applying styles to them ■ Note CSS will be covered in more depth in Chapter 10.

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