JavaScript数组方法之splice-添加替换删除
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>三十课 - JavaScript数组方法之splice-添加替换删除</title> <script src="http://res.30ke.cn/u/js/console.js"></script> </head> <body> <div id="main"></div> <script> var array1 = [ 'a', 'c', 'd' ]; array1.splice( 1, 0, 'b'); console.log(array1); // 输出 [ "a", "b", "c", "d" ] array1.splice(1,1); console.log(array1); // 输出 [ "a", "c", "d" ] array1.splice(1,1,'bb','cc'); console.log(array1); // 输出 [ "a", "bb", "cc", "d" ] </script> </body> </html>
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