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This method returns the size of the enumeration.
Iterator.size(); |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ var arr = $R(1, 10).select(function(n) { return 0 == n % 2; }); alert("Test 1 : " + $R(1, 10).size() ); // Returns 10 alert("Test 2 : " + ['hello', 42, true].size() ); // Returns 3 alert("Test 3 : " + $H().size() ); // Returns 0 } </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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