js---javaScript(循环语句的使用实例)for while do....while(转移语句): break, continue , return

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<html>    <head>        <title>学习javascript语言(语法)</title>        <link rel="stylesheet" href="table.css">    </head>    <body>        <h3>湖南城市学院</h3>        <script type="text/javascript">            //循环: for , while , do-while            var sum = 0;            for (var i = 1; i <= 100; i++) {                sum += i;            }            document.write("sum=" + sum);                        var x = 1;            sum = 0;            while (x <= 100) {                sum += x;                x++;            }            document.write("<br/><font color='#ff0000'> sum2=" + sum + "</font><br>");        </script>        <a href="http://www.baidu.com">百度一下</a>        <br/>        <script type="text/javascript">            //转移语句: break, continue , return                        a: for (var x = 0; x < 3; x++) {                for (var y = 0; y < 4; y++) {                    document.write("x=" + x + " ");                    break a;                }                document.write("<br/>");            }        </script>    </body></html>

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