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📄 05.htm

📁 javascript一些基本的用法,正规表达式,验证码.
💻 HTM
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>表单</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
td {
	font-size: 12px;
}
-->
</style>
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}
//-->
</script>
</head>

<body>
<form action="5.asp" method="post" name="form1" onSubmit="MM_validateForm('username','','R','age','','NinRange4:100','email','','NisEmail','password','','R');return document.MM_returnValue">
  <table width="401" border="1" align="center" cellpadding="5" cellspacing="0">
    <tr> 
      <td width="151">用户名:</td>
      <td width="224"><input name="username" type="text" id="username" size="20"></td>
    </tr>
    <tr> 
      <td>密&nbsp;&nbsp;码:</td>
      <td><input name="password" type="password" id="password" size="20"></td>
    </tr>
    <tr> 
      <td>年龄:</td>
      <td><input name="age" type="text" id="age" size="3"></td>
    </tr>
    <tr> 
      <td>性&nbsp;&nbsp;别:</td>
      <td>男
<input name="sex" type="radio" value="男" checked>
        <input type="radio" name="sex" value="女"></td>
    </tr>
    <tr> 
      <td>出生日期:</td>
      <td><input name="birthday" type="text" id="birthday" size="20"></td>
    </tr>
    <tr> 
      <td>电子邮件:</td>
      <td><input name="email" type="text" id="email" size="20"></td>
    </tr>
    <tr align="center"> 
      <td colspan="2"><input type="submit" name="Submit" value="提  交"></td>
    </tr>
  </table>
</form>
</body>
</html>

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