Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<iframe id="myiframe" src="javascript:;"></iframe>

JavaScript

var iframe = document.getElementById("myiframe");

iframe.contentWindow.document.write("<scr"+"ipt>function check(){alert( globalArray instanceof Array);"+"alert(globalArray instanceof parent.Array );}<"+"/sc"+"ri"+"pt>");

iframe.contentWindow.window.globalArray = [];

iframe.contentWindow.window.check();

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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Fiddle Pages

Use pre-released features

Fiddle collections

Private collections and fiddles

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