返回到:Prototype – 枚举
此方法根据给定大小将项目分组为块,最后一个块可能更小。
可选的上下文参数是迭代器函数将绑定到的内容。如果使用,迭代器中的this关键字将指向参数给定的对象。
语法
Iterator.eachSlice([context]);
返回值
返回切片数组(数组)。
例子
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> 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 } ]; function showResult() { alert ( students.eachSlice(4, function(toon) { return toon.pluck('name'); }) ); var arr = students.eachSlice(2).first(); arr.each(function(s) { var h = $H(s); alert("Value : " + h.inspect()); }); } </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/8629.html