js两层for循环实现九九乘法表 


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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
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<body>
    
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<script>
    for(var i=1;i<=9;i++){
        for(var j=1;j<=i;j++){
            document.write(j + "*"+ i +"=" + i*j + "&nbsp;&nbsp;&nbsp;&nbsp;");
        }
        document.write("<br>")
    }

</script>
</html>

posted @ 2020-03-17 21:16  JackieDYH  阅读(3)  评论(0)  编辑  收藏  举报  来源