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29 lines
850 B
29 lines
850 B
/*
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* charcount.js
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*
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* Usage:
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* $config['additional_javascript'][] = 'js/jquery.min.js';
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* $config['additional_javascript'][] = 'js/charcount.js';
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*
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*/
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$(document).ready(function(){
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// Storing this jQuery object outside of the event callback
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// prevents jQuery from having to search the DOM for it again
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// every time an event is fired.
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var $inputArea = $('#body');
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var $coundownField = $('#countchar');
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var $maxChars = 6001;
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// Preset countdown field to max initial content length
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$coundownField.text($maxChars - $inputArea.length);
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// input :: for all modern browsers [1]
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// selectionchange :: for IE9 [2]
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// propertychange :: for <IE9 [3]
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$inputArea.on('input selectionchange propertychange', function() {
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$charCount = $maxChars - $inputArea.val().length;
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$coundownField.text($charCount);
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});
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});
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