jQuery event.isDefaultPrevented() method

jQuery Effect Methods

The method event.isDefaultPrevented() checks whether the specified event has had the default action preventedevent.preventDefault().

如果调用event.preventDefault()，则此方法返回true；否则，返回false。

If event.preventDefault() is called, this method returns true; otherwise, it returns false.

This method does not accept any parameters.

Syntax:

event.isDefaultPrevented()

Example

Prevent the link from opening the URL and check if preventDefault() has been called:
　　$("#submit").click(function(event){
　　$("a").click(function(event){
event.isDefaultPrevented());

$("div").text(event.isDefaultPrevented());

Example
　　$("#submit").click(function(event){
　　event.preventDefault();　+　alert("Prevented: "
event.isDefaultPrevented());

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jQuery Effect Methods