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This method returns a duplicate of the array, leaving the original array intact.
array.clone() ; |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ var oldArr = ['Sam', 'Justin', 'Andrew', 'Dan']; var newArr = oldArr.clone(); alert("Guys in old Arr" ); oldArr.each(function(item) { alert(item ); }); alert("Guys in new Arr" ); newArr.each(function(item) { alert(item ); }); } </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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