JSFiddle - React, Tailwind, and code Playground

by bohdantheone

HTML

<script>
var src='<iframe src="http://vk.com/video_ext.php?oid=12221656&id=162557717&hash=f9a8e30598db6cd5&sd" width="607" height="360" frameborder="0"></iframe>';
var domen='vk.com'; 
var newstr = src.substring(20,26);
alert(newstr); 
if(newstr===domen) 
alert("Выберите качество!!!");    
</script>