coin change problem / Knapsack problem

compute_change.js

var coinTypes = [25, 10, 5];     
var coinNb = [8, 12, 20];  
function computeChange(change,coinTypes, coinNb) {     
  var rez = [];    
  for (var i = 0; i < coinTypes.length; ++i) {        
    if (coinTypes[i] === 0) continue;        
    var coinsToGet = Math.floor(change / coinTypes[i]);        
    if (coinsToGet > coinNb[i]) {            
      coinsToGet = coinNb[i];        
    }        
    change -= coinsToGet * coinTypes[i];        
    rez.push(coinsToGet);    
  }    return rez;
}