使用javascript验证。 [英] validation using javascript.
问题描述
您好,我的网页上有
我有一个注册表格可以注册。
我需要在提交按钮单击时使用javascript验证这些文本框。
总共我有6个文本框,我需要使用Javascript在提交按钮上单击验证。
TxtUserName ----必填字段
TxtPassword ---必填字段
TxtEmailAddress ----必须是电子邮件地址,且必须是有效的test@test.com
TxtRetypeEmailAddress ---重新输入电子邮件地址必须是必填项并且必须是有效的test@test.com并且必须与第一个电子邮件地址相匹配
TxtLocation - 必填字段
TxtMobileNo ---必填提交且仅接受号码且仅限10位数。
最后,我有提交按钮。
提交按钮
请你能帮我吗我,如何使用javascript验证所有这些。
提前感谢.....
参考此链接
http://www.w3schools。 com / js / js_form_validation.asp [ ^ ]
http:/ /www.tutorialspoint.com/javascript/javascript_form_validations.htm [ ^ ]
一些可以帮助你的链接
使用样本注册表单进行JavaScript表单验证 [ ^ ]
使用注册表单进行JavaScript字段级表单验证 [ ^ ] < br $>
简单登记表对于具有验证的员工 [ ^ ]
JavaScript:表单验证 [ ^ ]
< 表格 名称 = myForm action = demo_form.asp onsubmit = return validateForm() 方法 = post >
名字:< input type = text name = fname >
< input type = submit value = 提交 >
< / form >
< script type = text / javascript>
function validateForm()
{
var x = document .forms [ myForm] [< span class =code-string> fname]。value;
if (x == null || x == )
{
alert( 必须填写名字);
return false ;
}
}
< / script>
< / head > 跨度>
Hi frnds,
on my webpage i have a registration form to register.
I need to validate these textboxes using javascript on submit button click.
total i have 6 textboxes, i need to validate on submit button click using Javascript.
TxtUserName ---- Required field
TxtPassword --- Required Field
TxtEmailAddress ---- Email address must be Required and it must be Valid as test@test.com
TxtRetypeEmailAddress --- Retype Email address must be Required and it must be Valid as test@test.com & it must match the First Email Address
TxtLocation -- Required Field
TxtMobileNo --- Required Filed & only Numbers are accepted & only 10 digits.
and finally, i have submit button.
SUBMIT BUTTON
Please can you help me, how to validate all these using javascript.
thanks in advance.....
refer this links
http://www.w3schools.com/js/js_form_validation.asp[^]
http://www.tutorialspoint.com/javascript/javascript_form_validations.htm[^]
some more links which may help you
JavaScript Form Validation using a Sample Registration Form [^]
JavaScript Field Level Form Validation using a registration form [^]
Simple Registration Form For Employee With Validation[^]
JavaScript: Form Validation[^]
<form name="myForm" action="demo_form.asp" onsubmit="return validateForm()" method="post"> First name: <input type="text" name="fname"> <input type="submit" value="Submit"> </form>
<script type="text/javascript"> function validateForm() { var x=document.forms["myForm"]["fname"].value; if (x==null || x=="") { alert("First name must be filled out"); return false; } } </script> </head>
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