How to remove the oninput property from an element?

Question

JavaScript

Hello. How can you remove the oninput property from a normal element? I tried unbind, off - does not help. Thanks in advance!

Answer 1

<input type="text">
<button>Удалить обработчик события</button>

var inp = document.querySelector('input');
inp.oninput = function(){
  console.log(this.value);
};

document.querySelector('button').addEventListener('click', function(){
  inp.oninput = null;
}, false);

Sandbox example