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Jquery removeProp

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.removeProp()
Returns: jQuery
.removeProp(propertyName)
propertyName The name of the property to set.
Remove a property for the set of matched elements.

The .removeProp() method removes properties set by the .prop() method.

With some built-in properties of a DOM element or window object, browsers may generate an error if an attempt is made to remove the property. jQuery first assigns the valueundefined to the property and ignores any error the browser generates. In general, it is only necessary to remove custom properties that have been set on an object, and not built-in (native) properties.

Note: Do not use this method to remove native properties such as checked, disabled, or selected. This will remove the property completely and, once removed, cannot be added again to element. Use .prop() to set these properties to false instead.

Set a numeric property on a paragraph and then remove it.
<!DOCTYPE html>
<html>
<head>
  <style>
  img { padding:10px; }
  div { color:red; font-size:24px; }
  </style>
  <script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
  <p></p>
  <script>
var $para = $("p");
$para.prop("luggageCode", 1234);
$para.append("The secret luggage code is: ", String($para.prop("luggageCode")), ". ");
$para.removeProp("luggageCode");
$para.append("Now the secret luggage code is: ", String($para.prop("luggageCode")), ". ");
  </script>
</body>
</html>

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