inject script after current

by Lingjia Liu

HTML

<script>
var foo = 1;
var s0 = document.currentScript;
if(s0){
	var s1 = document.createElement('script');
  s1.innerHTML = "foo = 2;console.log('s1')";
  s0.parentNode.insertBefore(s1, s0.nextSibling);
}
</script>
<script>
var bar = 2;
console.log(foo);
console.log(bar);
</script>