dciccale/README.md

## README.md

      
    Raw
  

              README.md
            
          
    hasOwnProperty shim

Cross-browser hasOwnProperty shim in 115 bytes of JavaScript.

  
## demo.html
<!doctype html>
  <title>Demo</title>

  <script>
    window.hop = function(o,p,u){u='undefined';return typeof o==u||typeof p==u||typeof o[p]==u?!1:o[p]!==o.constructor.prototype[p]};

    var obj = {
      name: 'Denis'
    };

    alert(hop(obj, 'name'); // true
    alert(!!obj.toString); // true
    alert(hop(obj, 'toString'); // false
  </script>

## hop.js
window.hop = function (obj, prop) {
  if (typeof obj == 'undefined' || typeof prop == 'undefined' || typeof obj[prop] == 'undefined') {
    return false;
  } else {
    return obj[prop] !== obj.constructor.prototype[prop];
  }
}

## hop.min.js
window.hop = function(o,p,u){u='undefined';return typeof o==u||typeof p==u||typeof o[p]==u?!1:o[p]!==o.constructor.prototype[p]};
	<!doctype html>
	<title>Demo</title>

	<script>
	window.hop = function(o,p,u){u='undefined';return typeof o==u\|\|typeof p==u\|\|typeof o[p]==u?!1:o[p]!==o.constructor.prototype[p]};

	var obj = {
	name: 'Denis'
	};

	alert(hop(obj, 'name'); // true
	alert(!!obj.toString); // true
	alert(hop(obj, 'toString'); // false
	</script>
	window.hop = function (obj, prop) {
	if (typeof obj == 'undefined' \|\| typeof prop == 'undefined' \|\| typeof obj[prop] == 'undefined') {
	return false;
	} else {
	return obj[prop] !== obj.constructor.prototype[prop];
	}
	}