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十一天

2024-08-24 09:57:58   223人阅读





<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>网页标题</title>
    <meta name="keywords" content="关键字列表" />
    <meta name="description" content="网页描述" />
    <link rel="stylesheet" type="text/css" href="" />
    <style type="text/css"></style>
    <script type="text/javascript">
        //定义一个对象
        var obj = new Object();
        //增加属性
        obj.name = ‘张三‘;
        obj.sex = ‘男‘;
        obj.age = 25;
        obj.isMarried = true;
        obj.edu = ‘大专‘;
        obj.school;
        //增加方法
        obj.showInfo = function (){
            var str =‘<h2>‘+obj.name+‘的个人信息</h2>‘;
            str +=‘姓名：‘+obj.name;
            str +=‘<br/>性别：‘+obj.sex;
            str +=‘<br/>年龄：‘+obj.age;
            str +=‘<br/>婚否：‘+(obj.isMarried ?‘已婚‘: ‘未婚‘);
            str +=‘<br> 学历：‘+obj.edu;
            str +=‘<br/>学校：‘+(obj.school ? obj.school:‘未定义‘);
            return str;
        }
        document.write(obj.showInfo());
        //用大括号{}创建对象
        var obj={
                name : ‘张三‘,
                sex : ‘男‘,
                age : 34,
                isMarried : true,
                edu : ‘大专‘,
                school : undefined,
                showInfo: function(){
                var str =‘<h2>‘+obj.name+‘的个人信息</h2>‘;
                    str +=‘姓名：‘+obj.name;
                    str +=‘<br/>性别：‘+obj.sex;
                    str +=‘<br/>年龄：‘+obj.age;
                    str +=‘<br/>婚否：‘+(obj.isMarried ?‘已婚‘: ‘未婚‘);
                    str +=‘<br> 学历：‘+obj.edu;
                    str +=‘<br/>学校：‘+(obj.school ? obj.school:‘未定义‘);
                    return str;    
                }
            }
            document.write(obj.showInfo());
    </script>
</head>
<body>

</body>
</html>






 


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>网页标题</title>
    <meta name="keywords" content="关键字列表" />
    <meta name="description" content="网页描述" />
    <link rel="stylesheet" type="text/css" href="" />
    <style type="text/css"></style>
    <script type="text/javascript">
    //定义一个数组
    var arr =[4,5,0,34,67,2];
    //定义一个函数
    function getMax(arr1){
    //假设一个最大值 
        var max=arr1[0];
        for(var i=0;i<arr1.length;i++){
            if(max<arr1[i]){
                max = arr1[i];
                
            }
        }
        document.write( max);
    }
    getMax(arr);
    </script>
</head>
<body>

</body>
</html>




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