jQuery 2 Recipes: A Problem-Solution Approach by Arun Pande

By Arun Pande

JQuery is frequently known as the 'write much less, do extra' JavaScript library. It permits a number of transparent strains of stylish, well-tested, code to interchange many pages of complicated hand-coded script, dashing improvement instances and supplying tremendous fee rate reductions. you will discover jQuery 2 Recipes' problem-solution method of be a great price and a feature-packed source as you start to incorporate jQuery on your personal tasks. This e-book is bursting with fully-worked instance recipes exhibiting the center jQuery frameworks (jQuery, jQuery cellular, jQuery UI) in motion. beginning with primary principals and progressing to extra complex issues you may be proven how you can make some of the best use of jQuery each step of how.

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Additional info for jQuery 2 Recipes: A Problem-Solution Approach

Sample text

GetElementById ("currentDatetime"). In the $(currentDateTime) statement, the HTMLElement currentDateTime is passed to the jQuery function ($) as an argument. The jQuery object is returned due to this statement. On this jQuery object, the prop() method is executed to set its innerHTML property with the current system date and time. The jQuery Function with the HTMLString as an Argument Using a jQuery function with the HTML string as an argument enables you to convert an HTML string into a jQuery object so that the jQuery object’s methods can be applied to the HTML elements in the jQuery object or it can be appended to an existing element.

Figure 2-13. getElementById("txtFirstName"); line gets the HTMLElement from the DOM that has an ID of txtFirstName. Once you have the HTMLElement, you can get and set its properties and attributes and execute DOM methods on it. value and getting its attribute type by executing the getAttribute() method. Figures 2-14 and 2-15 show the pop-up messages that appear when any name (for example, John) is entered and the Get First Name & Type button is clicked. Figure 2-14. An HTML element and its value property Figure 2-15.

The return value is a jQuery object. Listing 3-7 demonstrates the use of multiple jQuery selectors to get a combined set of selected elements matching any of the specified selectors. Listing 3-7.

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