
1. 长度限制 script> function test() { if(document.a.b.value.length>5) { alert("不能超过50个字符!"); document.a.b.focus(); return false; } } /script> form name=a onsubmit="return test()"> textarea name="b" cols="40" wrap="VIRTUAL" rows="6">/textarea> input type="submit" name="Submit" value="check"> /form> 2. 屏蔽关键字(这里屏蔽***和****) script language="javascript1.2"> function test() { if((a.b...
/****打开页面时以窗口方式打开 function urll(u) { window.open(u,"","toolbar=0,top=50,left=130,location=0,status=0,menubar=0,scrollbars=1,resizable=0,height=450,width=510") } //--> ****/ 查看详情 //计算页面执行时间 ?> 退出时效果 控制面板帮助会员日历查看新帖 退出 /*执行此即可看到*/ var sp_isRefash = false; function window_onbeforeunload() { if(!sp_isRefash) { var...
onsubmit 作用是来防止提交错误码的值. HTML> BODY> form action="index.aspx" method="post" onsubmit="return submitTest();"> INPUT id="MyEMail" value="123@456.com">br> input type="submit" value="submit"> form> SCRIPT LANGUAGE="JavaScript"> function submitTest() { var vv = document.getElementById('MyEMail').value; if (vv.length 6) { alert('please input something.'); ret...
String.prototype.trim = function() { return this.replace(/(^\s*)|(\s*$)/g,""); } String.prototype.len= function() { return this.replace(/[^\x00-\xff]/g,"**").length; } function f_check_zh(obj){ if (/^[\u4e00-\u9fa5]+$/.test(obj.value)) { return true; } return false; } function checkFormat(){ fobj=docume...
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