Calcular

by JuanMa

HTML

<a href="#" onclick="AgregarCampos();">Agregar Nota</a>
<div id="campos"></div>

JavaScript

var nextinput = 0;
function AgregarCampos(){
nextinput++;
campo = '<form onsubmit="return false" oninput="acumu'+nextinput+'.value=(nota'+nextinput+'.value*pondera'+nextinput+'.value).toFixed(0)"><input type="number" id="nota'+nextinput+'" value=""> x <input type="number" id="pondera'+nextinput+'" value=""> = <output name="acumu'+nextinput+'" for=""></output></form>';
$("#campos").append(campo);
}