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
支付宝
微信