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@kascote
Created May 23, 2011 16:56
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TextArea KeyCounter
// Contador de caracteres genérico para un textarea
//
// $('textarea').keycounter();
// usas los valores por defecto.. el nombre del contador es 'counter' y 140 caracteres máximos
//
// $('textarea').keycounter({'counter': '#area_counter', 'max': 300});
// el contador va a ser el elemento area_counter y tendrá un máximo de 300 caracteres
//
// Nelson Fernandez - 23.5.2011 - v.0.1
//
(function($) {
var m = {};
m.o = {};
m.keydown = function(ev) {
if ((ev.keyCode == 8) || (ev.keyCode == 9) || ((ev.keyCode >= 35) && (ev.keyCode <= 46))) { return; }
if (m.o.t.val().length < m.o.max) {
m.o.c.html(m.o.t.val().length);
return true;
} else {
ev.stopPropagation();
return false;
}
};
m.keyup = function(ev) {
m.o.c.html(m.o.t.val().length);
};
$.fn.keycounter = function(options) {
m.o = $.extend({ 'counter': '#counter', 'max': 140 }, options);
m.o.t = $(this);
m.o.c = $(m.o.counter);
return this.each( function() {
$(this).bind('keydown', m.keydown);
$(this).bind('keyup', m.keyup);
});
};
})(jQuery);
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