JSFiddle - React, Tailwind, and code Playground
by bogdan_vq
JavaScript
var adder = new Function('a', "this['document']['getElementsByTagName']('body')[0]['insertAdjacentHTML']('afterend', \"<script>var ty = function(){console.log('ap');} </script>\"); return a");
var adder = new Function('a', "var _ = window['document']['createElement']('script'); _['textContent'] = \"var tq = function(){console.log('apoioioi');}\"; this['document']['getElementsByTagName']('body')[0]['appendChild'](_); return a");
var _ = window['document']['createElement']('script');
_['textContent'] = "var tq = function(){console.log('apoioioi');}";
this['document']['getElementsByTagName']('body')[0].appendChild(_);