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This is a jQuery event that will prevent an action from happening. The code below says that:

1.) When the DOM is ready
2.) Every 'a' element that is clicked
3.) Create a random number between 0 - 5
4.) Test the number
5.) If the random number is equal to 5
6.) Show what number it was and go to the link provided
8.) Otherwise
9.) Dont let anyone use the anchor action

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$(document).ready(function() {
    $("a").click(function(event) {
        var i = Math.floor(Math.random() * 6);
        alert(i);
        if (i == 5) {
            alert("i must not be 5, its actually: " + i);
        }
        else {
            event.preventDefault();
        }
    });
});

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