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This method groups items in fixed-size chunks, using a specific value to fill up the last chunk if necessary.
Iterator.inGroupsOf(size[, filler = null]); |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ var students = [ { name: 'Sunny', age: 20 }, { name: 'Audrey', age: 21 }, { name: 'Matt', age: 20 }, { name: 'Lodie', age: 26 }, { name: 'Will', age: 21 }, { name: 'David', age: 23 }, { name: 'Julien', age: 22 }, { name: 'Thomas', age: 21 }, { name: 'Serpil', age: 22 } ]; alert ( students.pluck('name').inGroupsOf(4) ) ; // Returns [ ['Sunny', 'Audrey', 'Matt', 'Lodie'], // ['Will', 'David', 'Julien', 'Thomas'], // ['Serpil', null, null, null] ] } </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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