Java Script

最新推荐文章于 2022-02-26 11:38:20 发布

原创最新推荐文章于 2022-02-26 11:38:20 发布 · 599 阅读

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怎样给变量赋值

<!DOCTYPE html>
<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>
    <script type="text/javascript">

    var score=20;
    if(score >60){

        document.write("及格");
    }
    else{

        document.write("不及格");
    }
    
    </script>
</head>
<body>
    
</body>
</html>

怎样调用函数

<!DOCTYPE html>
<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>
    <script type="text/javascript">
        function contxt()
        {
            alert("函数调用");
        }
 
    </script>
</head>
<body>
    <form >
        <input type="button" value="点我" onclick="contxt()" />
    </form>
</body>
</html>