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May 3, 2018 22:52
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jQuery 'limit' plugin for textarea
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| ;(function ($) { | |
| $.fn.limit = function (options) { | |
| var defaults = { | |
| limit : 200, | |
| result : false, | |
| alertClass : false | |
| }, options = $.extend(defaults, options); | |
| return this.each(function () { | |
| var characters = options.limit; | |
| if (options.result != false) { | |
| $(options.result).append("Ainda restam <strong>"+characters+"</strong> caracteres"); | |
| } | |
| $(this).keyup(function () { | |
| if ($(this).val().length > characters) { | |
| $(this).val($(this).val().substr(0, characters)); | |
| } | |
| if (options.result != false) { | |
| var remaining = characters - $(this).val().length; | |
| $(options.result).html("Ainda restam <strong>"+remaining+"</strong> caracteres"); | |
| if (remaining <= 10) { | |
| $(options.result).addClass(options.alertClass); | |
| } else { | |
| $(options.result).removeClass(options.alertClass); | |
| } | |
| } | |
| }); | |
| }); | |
| }; | |
| })(jQuery); |
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