jquery.numeric
v1.0.0
Published
jQuery.numeric() allows only valid numbers to be typed into a text box. Can take negative numbers and a decimal point. You can also supply a callback that runs when focus is lost and the value in the text box is not a valid number.
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Readme
jQuery.numeric()
Allows only valid numbers to be typed into a text box. Can take negative numbers and a decimal point. You can also supply a callback that runs when focus is lost and the value in the text box is not a valid number.
Original Plugin: http://www.texotela.co.uk/code/jquery/numeric/.
Installation
- Install with npm:
npm install jquery.numeric --save - [Download the latest release][download]
- Clone the repo:
git clone https://github.com/nox-it/jquery-numeric.git
Usage
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script type="text/javascript" src="jquery.numeric.min.js"></script>
</head>
<body>
<form>
<label for="numbers-only">Numbers only:</label>
<input class="numeric" type="text" id="numbers-only" />
<br /><br />
<label for="integers-only">Integers only:</label>
<input class="integer" type="text" id="integers-only" />
<br /><br />
<label for="positive">No negative values:</label>
<input class="positive" type="text" id="positive"/>
<br /><br />
<label for="no-negative">No negative values (integer only):</label>
<input class="positive-integer" type="text" id="no-negative"/>
<br /><br />
<label for="decimal-2-places">Numbers with up to 2 decimal places:</label>
<input class="decimal-2-places" type="text" id="decimal-2-places"/>
<br /><br />
<label for="alternative-decimal-separator">Alternative (,) changes to standard (.) decimal separator:</label>
<input class="alternative-decimal-separator" type="text" id="alternative-decimal-separator"/>
<br /><br />
<label for="alternative-decimal-separator-reverse">Reverse change from alternative (.) to standard (,) decimal separator:</label>
<input class="alternative-decimal-separator-reverse" type="text" id="alternative-decimal-separator-reverse" />
<br /><br />
<a href="#" id="remove">Remove numeric</a>
</form>
<script type="text/javascript">
$('.numeric').numeric();
$('.integer').numeric(
false,
function () {
alert('Integers only');
this.value = '';
this.focus();
}
);
$('.positive').numeric(
{negative: false},
function () {
alert('No negative values');
this.value = '';
this.focus();
}
);
$('.positive-integer').numeric(
{decimal: false, negative: false},
function () {
alert('Positive integers only');
this.value = '';
this.focus();
}
);
$('.decimal-2-places').numeric({decimalPlaces: 2});
$('.alternative-decimal-separator').numeric({altDecimal: ','});
$('.alternative-decimal-separator-reverse').numeric({altDecimal: '.', decimal: ','});
$('#remove').on(
'click',
function (e) {
e.preventDefault();
$('.numeric,.integer,.positive,.positive-integer,.decimal-2-places,.alternative-decimal-separator,.alternative-decimal-separator-reverse').removeNumeric();
}
);
</script>
</body>
</html>