返回到:Prototype – 枚举
此方法将项目分组为固定大小的块,必要时使用特定值填充最后一个块。
语法
Iterator.inGroupsOf(size[, filler = null]);
返回值
返回迭代器返回 true 的所有元素。
例子
<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>
返回到:Prototype – 枚举
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8614.html