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This method returns true if obj is an instance of the Hash class, false otherwise.
Object.isHash(obj); |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ myHash = new Hash({name:"prototype", version:1.6 }); alert( "test 1: " + Object.isHash(new Hash({ })) ); alert( "test 2: " + Object.isHash($H({ })) ); alert( "test 3: " + Object.isHash({ }) ); alert( "test 4: " + Object.isHash(myHash) ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type="button" value="Result" onclick="showResult();"/> </body> </html> |
To understand it in better way you can Try it yourself.
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