1) Phone number validation using jquery
<html>
<head>
//Import jquery.Min.js
<script
type="text/javascript">
$.fn.isPhoneNumber = function (options) {
intRegex = /^[0-9]{1,10}$/;
phoneNumber = this.val();
if ((phoneNumber.length != 10) || (!intRegex.test(phoneNumber))) {
this.val("");
this.attr("placeholder", "Invalid Phone Number");
return false;
}
return true;
};
function validate() {
$("#checkPhoneNumber").isPhoneNumber(this);
return false;
} </script>
</head>
<body>
<input
type="text" id="checkPhoneNumber"
value="ASDFG77" />
<input
type="button" onclick="return validate()"
value="Validate"/>
</body>
</html>
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2) Postal code validation
<html>
<head>
//Import jquery.Min.js
<script
type="text/javascript">
$.fn.isPostalCodeNumber = function (options) {
intRegex = /^[0-9]{1,4}$/;
postalcodeNumber = this.val();
if ((postalcodeNumber.length != 10) || (!intRegex.test(postalcodeNumber))) {
this.val("");
this.attr("placeholder", "Invalid Postal Code Number");
return false;
}
return true;
};
function validate() {
$("#checkPostalCodeNumber").isPostalCodeNumber(this);
return false;
}
</script>
</head>
<body>
<input
type="text" id="checkPostalCodeNumber"
value="ASDFG77" />
<input
type="button" onclick="return validate()"
value="Validate"/>
</body>
</html>
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3) English validation
<html>
<head>
//Import jquery.Min.js
<script
type="text/javascript">
var
englishAlphabetAndWhiteSpace = /^[a-zA-Z ]*$/;
if(!englishAlphabetAndWhiteSpace.test(this.val()))
{
this.val("");
this.attr("placeholder", "Invalid English Alphabets");
return false;
}
return true;
};
function validate() {
$("#checkEnglishAlphabets").isEnglishAlphabets(this);
return false;
}
</script>
</head>
<body>
<input
type="text" id="checkEnglishAlphabets"
value="ASDFG77" />
<input
type="button" onclick="return validate()"
value="Validate"/>
</body>
</html>
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4) Get the selected value form drop down
<html>
<head>
//Import jquery.Min.js
</head>
<body>
<select
id="countries">
<option value="1">India</option>
<option value="2">China</option>
<option value="3">Russia</option>
<option value="4">Srilanka</option>
<option value="5">Pakistan</option>
</select>
<input
type="button" onclick="return getSelected()"
value="Get Selected Value" />
<script
type="text/javascript">
function
getSelected() {
alert($("#countries option:selected").text());
alert($("#countries").val());
return false;
}
</script>
</body>
</html>
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