Maxlength y textareas

Para agregar funcionalidad al atributo “maxlength” en textareas: var txts = document.getElementsByTagName(‘TEXTAREA’) for(var i = 0, l = txts.length; i < l; i++) { if(/^[0-9]+$/.test(txts[i].getAttribute(“maxlength”))) { var func = function() { var len = parseInt(this.getAttribute(“maxlength”), 10); if(this.value.length > len) { //alert(‘Maximum length exceeded: ‘ + len); this.value = this.value.substr(0, len); return false; } } txts[i].onkeyup […]