To prevent the default action of an event in jQuery, you can use the `event.preventDefault()` method. This is especially useful in situations where you want to stop the default behavior of elements like links or form submissions.
In the example below, clicking on a link prevents the default action of navigating to another page:
$(document).ready(function(){
$("a").click(function(event){
event.preventDefault(); // Prevent the default action
alert("Default action prevented!");
});
});
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