html calls JavaScript function, but no display effect? _html/css

html calls JavaScript function, but no display effect? _html/css_WEB-ITnose

WBOY

Release： 2016-06-24 11:57:30

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方法调用

Problem: Clicking button "OK", no reaction? Ask God for answers! Thanks!

Reply to discussion (solution)

Yes focus()
Not foucs()

Except foucs In addition to the problem, the following 2 lines also have issues with compatibility or code.
var form1 = document.form1;
var str = form1.user.value;
if(objExp.test(str) == true){

<!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"><head>    <script language="javascript">        function method1(){            var i = 1;            var j = 1;            for(i = 1; i <= 9; i++){                for(j = 1; j <= i; j++){                    document.write(i + "*" + j + '=' + i * j + "  ");                }                document.write('<br>');            }        }        function fun(){            alert('你好！！');        }        function jianche(){                  /*  此函数的调用出现问题  */            var form1 = document.form1;            var str = form1.user.value;            if(str == ""){                alert("请输入真实姓名！");                form1.user.focus();            } else {                var objExp = /[\u4E00-\u9FA5]{2,}/;                if(objExp.test(str) == true){                    alert("输入了正确的名字！");                } else {                    alert("输入的名字不正确！");                }            }        }    </script>    <meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>    <title>方法调用</title>    <style type="text/css">        <!--        .STYLE1{ font-size:xx-large }        -->    </style></head><body><form id="form1" name="form1" method="post" action="">    <p align="center" class="STYLE1">登录系统</p>    <p align="center">用户名： <input type="text" name="user"/></p>    <p align="center">密码; <input type="password" name="password"/>    </p>    <div align="center">        <input type="submit" name="Submit" value="提交"/> <input type="reset" name="Submit2" value="重置"/>        <input type="button" name="Submit3" onclick="method1()" value="检测"/>        <input type="button" name="Submit4" onclick="fun()" value="好"/>        <input type="button" name="Submit5" onclick="jianche()" value="很好"/> /*点击按钮“很好”时，没有反应*/    </div></form></body></html>

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