Golf: Dialog

http://codegolf.stackexchange.com/questions/28370/write-a-hello-world-gui-program-that-closes-itself-after-three-seconds

by origineil

HTML

<div id='a'>Hello World 
 
    <!--
<script>
    e=$("#a"),
    d='dialog',
    x=e[d]();
setTimeout(B=n=>{x.remove()}, 3000)
</script>
 -->

JavaScript

/*
 
ECMAScript 6
*/

e=$('#a'),d='dialog',x=e[d](); 
setTimeout(B=n=>{x.remove()},3000)