Disable backspace in non-form elements

disable-backspace.js

// Disable backspace in non-form elements in Chrome
// TODO: add input type, disabled and element contenteditable checks

(function(window){
  
  window.addEventListener( 'keydown', handler, true );
  window.addEventListener( 'keypress', handler, true );
  
  function handler(e) {
    !/^(?:textarea|input)$/i.test( e.target.nodeName ) && e.keyCode == 8 && e.preventDefault();
  };
  
})(this);