返回到:Prototype – 数组处理
此方法返回数组的副本,原数组保持不变。
语法
array.clone();
返回值
返回一个新的克隆数组。
例子
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { var oldArr = ['Sam', 'Justin', 'Andrew', 'Dan']; var newArr = oldArr.clone(); alert("Guys in old Arr" ); oldArr.each(function(item) { alert(item ); }); alert("Guys in new Arr" ); newArr.each(function(item) { alert(item ); }); } </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 – 数组处理
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8798.html