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最新推荐文章于 2023-05-26 10:13:00 发布

原创最新推荐文章于 2023-05-26 10:13:00 发布 · 255 阅读

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按钮：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>按钮</title>
    <link rel="stylesheet" href="bootstrap-3.3.7-dist/css/bootstrap.css">
    <script>
        function art() {
            alert('0415');
        }
    </script>
</head>
<body>
    <button class="btn btn-primary" onclick="art()">点击我，出现0415哦</button>
</body>
</html>

1000以内水仙花数：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>1000以内的水仙花数</title>
</head>
<body>
<script>
    var a = 0, b = 0, c = 0;
    document.write('1000以内的水仙花数：'+'<br/>');
    for (var i = 100; i < 1000; i++)
    {
        a = i % 10;
        b = parseInt(((i / 10) % 10));
        c = parseInt(i / 100);
        if (i === a * a * a + b * b * b + c * c * c)
        {
            document.write(i + '<br/>');
        }
    }
</script>
</body>
</html>

calculate函数：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>calculate</title>


</head>
<body>
    <p id="demo-one"></p>
    <p id="demo-two"></p>
    <p id="demo-thr"></p>
    <p id="demo-for"></p>

    <script>
        function calculate(x,c,y) {
            if('+' == c){
                return x + y;
            }

            if('-' == c){
                return x - y;
            }

            if('*' == c){
                return x * y;
            }

            if('/' == c){
                return x / y;
            }
        }

        document.getElementById("demo-one").innerHTML = calculate(4,'+',2);
        document.getElementById("demo-two").innerHTML = calculate(4,'-',2);
        document.getElementById("demo-thr").innerHTML = calculate(4,'*',2);
        document.getElementById("demo-for").innerHTML = calculate(4,'/',2);
    </script>

</body>
</html>