B.M. Harwani's jQuery Recipes PDF

By B.M. Harwani

ISBN-10: 1430227095

ISBN-13: 9781430227090

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If we define a comparison function, then a pair of values from the array will be repeatedly sent to the function until all elements of the array are processed. In the comparison function, we thus write a statement considering the pair of values passed to it so that the function returns any of the following three values: <0, =0, or >0. 32 • When the function returns value <0, the second value (of the pair of array values sent to the function) is larger than the first value and hence must be pushed down the sorting order.

Highlight, which means the properties defined in this rule will be applied to all the HTML elements that belong to class highlight. The style rule has two properties defined in it, color and font-style, and these properties apply the green color and italic style. The preceding jQuery code will set the CSS class highlight on all HTML elements with class name features. The output appears as shown in Figure 1-9. Figure 1-9. The same class applied to

and

tags Summary In this chapter we went over installing jQuery, selecting nodes in the DOM, and applying CSS to elements.

Figure 1-3. Original text contents of the h2 element We can see that currently, the h2 element displays the text Using jQuery. This isn’t what we want yet, so let's look at two ways of solving our problem and changing the contents using jQuery code. text(text) Now we will make use of the text(text) method to change the contents of the h2 element on the fly. html(HTML) method. This method sets the HTML contents of the selected element(s). html('JavaScript Libraries'); How It Works The text(text) method sets the contents of the selected element to the specified text and returns it as a new jQuery object.

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jQuery Recipes by B.M. Harwani


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