JSFiddle - React, Tailwind, and code Playground

by ryanseddon

JavaScript

try {
    // Spec states you can't transmit DOM nodes and it will throw an error
    // postMessage implimentations that support cloned data will throw.
    window.postMessage(document.createElement("a"),"*");
} catch(e) {
    console.log(e);    
    alert("true");
}