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There is a significant difference between using jQuery extend() with passing one argument and doing it with two or more arguments. Basically, jQuery.extend() merge the contents of two or more objects into the first object. $.extend() is used to extend any object with additional functions but $.fn.extend() is used to extend the $.fn object, which […]

The jQuery clone() Method creates a deep run time copy of set of matched DOM Elements  to another location in the DOM elements and select the clones. This is very useful for run time copies of the elements to another location in the DOM elements. Syntax: $(selector).clone(true|false) true: specifies the event handlers which should be […]

jQuery get() method sends an HTTP GET request to a page load data from the server back. If any request with jQuery.get() method returns an error code then it will fail without notification unless the script has also called the global .ajaxError() method. In other side, as of jQuery 1.5, the .error() method of the […]

preventDefault() prevents the default event from occuring, stopPropagation() prevents the event from bubbling up and return false does the both. Example of preventDefault() and return false: $(‘a’).click(function() { return false; }); $(‘a’).click(function(e) { e.preventDefault(); }); So finally, return false from within a jQuery event handler is effectively same as calling both e.preventDefault and e.stopPropagation on […]

The :visible selector check if an elements are hidden in jQuery by selecting each and every elements in a DOM that is currently visible or not. But visible elements are elements which are not: – set to display:none – width and height set to 0 – form elements with type=”hidden” – parent is set as […]