The JavaScript Boolean.constructor() method returns a reference to the prototype Boolean function that created the instance.
Grammar
boolean.constructor()
Return value:
Here are the details of the parameters:
Returns the instance that created this object.
Example:
<html>
<head>
<title>JavaScript constructor() Method</title>
</head>
<body>
<script type="text/javascript">
var bool = new Boolean( );
document.write("bool.constructor() is:"+bool.constructor);
</script>
</body>
</html>
This will produce the following results:
bool.constructor() is : function Boolean() { [native code] }
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