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

JSFiddle - React, Tailwind, and code Playground

HTML

<div id="runner" class="nav brand pull-left">
        <a alt="motherboard" href="/tree/">
            <img alt="mega node" src="img.png"></img>
        </a>
  </div>

JavaScript

console.log(document.getElementById('runner').querySelector('img').src)
document.getElementById('runner').querySelector('img').src = 'icon.png' 
console.log(document.getElementById('runner').querySelector('img').src)

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JSFiddle - React, Tailwind, and code Playground

HTML

JavaScript

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Fiddle Pages

Use pre-released features

Fiddle collections

Private collections and fiddles

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