img replace src on error

by Stalk

HTML

<img src="/badpath/VKGkFKY.png" alt="">

JavaScript

;(function(){
  [].slice.call(document.querySelectorAll('img'))
    .forEach(img=>img.addEventListener('error', evt=>{
    img.src = img.src.replace(
      'https://fiddle.jshell.net/badpath/',
      'https://i.imgur.com/'
    )
  }))
})()