JavaScript数组方法之copyWithin-内部复制
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>三十课 - JavaScript数组方法之copyWithin-内部复制</title> <script src="http://res.30ke.cn/res/js/console.js"></script> </head> <body> <div id="main"></div> <script> var array1 = ['a', 'b', 'c', 'd', 'e','f']; console.log(array1.copyWithin(0, 3, 5)); // 输出 [ "d", "e", "c", "d", "e", "f" ] console.log(array1.copyWithin(1, 3)); // 输出 [ "d", "d", "e", "f", "e", "f" ] </script> </body> </html>
运行结果
三十课
广告
