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

By B. M. Harwani

JQuery is considered one of modern-day hottest JavaScript internet program improvement frameworks and libraries. jQuery Recipes can get you all started with jQuery quick and simply, and it'll function a worthwhile long term reference. The e-book starts off with small preliminary difficulties that builders usually face whereas operating with jQuery, and steadily is going deeper to discover extra complicated difficulties. The ideas comprise illustrations and transparent, concise motives of the code. utilizing this publication and jQuery, your websites should be extra dynamic and full of life.

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P> To give an attractive look to web sites, styles are heavily used. features{color:green;font-style:italic} If we want the style rule to be applied to the HTML element via jQuery code (and not automatically), we need to assign some other name to the style rule in the style sheet. com CHAPTER 1 ■ JQUERY BASICS How It Works In the HTML file, the paragraph and h1 elements both belong to class features. highlight, which means the properties defined in this rule will be applied to all the HTML elements that belong to class highlight.

Another difference is that the html() method displays the tags along with the text. The output we may get is as shown in Figure 1-2. We can see that the output includes the tags together with the text. Figure 1-2. html()); 1-8. Changing the Content of a DOM Node Problem You want to change the contents of a DOM node dynamically. For example, you have an HTML file in which the h2 element displays certain text and you want to change the text message using jQuery code. Solution Here is an HTML file with a paragraph element and an h2 element.

Who the book is for This book is suitable for web developers, professionals, trainers, students and professionals who are looking for quick solutions to the problems that are usually encountered while applying features to web pages. com CHAPTER 1 ■■■ jQuery Basics In this chapter, we will be dealing with the basics of jQuery, from installing it to working with DOM nodes. 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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