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This method finds the first element for which the iterator returns true. This method is aliased as find() method.
Iterator.detect([context]); |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function isPrime(n) { if (2 > n) return false; if (0 == n % 2) return (2 == n); for (var index = 3; n / index > index; index += 2) if (0 == n % index) return false; return true; } // isPrime function showResult(){ alert($R(10,15).detect(isPrime) ); } </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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