返回到:Prototype – 枚举
此方法是对 collect() 方法的常见用例的优化。为所有元素获取相同的属性。
语法
Iterator.pluck(propertyName);
返回值
返回属性值数组。
例子
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { var arr = ['world', 'this', 'is', 'nice'].pluck('length'); alert("Test 1 : " + arr.inspect() ); // Returns [5, 4, 2, 4] } </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
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