|
موضوع اسكريپت كنترل بر رمز ورودي
اين اسكريپت زماني كاربرد دارد كه شما يك Max Length براي فيلد ورودي
Password تعريف كنيد در اينصورت اگر تعداد كاراكترهاي وارد شده از
حداقل آن عدد تعريف شده كمتر باشد پيام خطا ظاهر مي شود ضمنا اگر
كاراكترهاي دو ميدان ورودي Password و تاييد آن با هم ناهمخوان باشند
پيام خطا ظاهر مي شوند .
<!-- TWO STEPS TO INSTALL VALIDATION
(PASSWORD):
1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->gg
<!-- STEP ONE: Paste this code into the HEAD of your HTML document
-->
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://www.ostadonline.com -->
<!-- Begin
function validatePwd() {
var invalid = " "; // Invalid character is a space
var minLength = 6; // Minimum length
var pw1 = document.myForm.password.value;
var pw2 = document.myForm.password2.value;
// check for a value in both fields.
if (pw1 == '' || pw2 == '') {
alert('Please enter your password twice.');
return false;
}
// check for minimum length
if (document.myForm.password.value.length < minLength) {
alert('Your password must be at least ' + minLength + ' characters
long. Try again.');
return false;
}
// check for spaces
if (document.myForm.password.value.indexOf(invalid) > -1) {
alert("Sorry, spaces are not allowed.");
return false;
}
else {
if (pw1 != pw2) {
alert ("You did not enter the same new password twice. Please
re-enter your password.");
return false;
}
else {
alert('Nice job.');
return true;
}
}
}
// End -->
</script>
</HEAD>
<!-- STEP TWO: Copy this code into the BODY of your HTML document
-->
<BODY>
<center>
<form name=myForm onSubmit="return validatePwd()">
Enter your password twice.
<br>
(At least 6 characters, 12 characters max, and spaces are not
allowed.)
<p>
Password: <input type=password name=password maxlength=12>
<br>
Verify password: <input type=password name=password2 maxlength=12>
<p>
<input type=submit value="Submit">
</form>
</center>
<p><center>
<font face="arial, helvetica" size"-2">Free JavaScripts provided by
ostadonline<br>
</center><p>
<!-- Script Size: 1.98 KB -->
|
