CSS Layout Debugger AliMD Edition ;) Outlines every DOM element on your page a random (valid) CSS hex color. [].forEach.call($$('*'),el=>{el.style.outline=`1px solid hsl(${~~(Math.random()*360)},99%,50%)`})
Your code only works in
Chrome DevTools
for works in project use
document.querySelectorAll('*')
instead$$