combinations javascript
function combinations(items){ var totalItems = items.length; for(i=0;i var result = Number(i).toString(2); result = ("0000" + result).substr(-4,4); var combination = ""; for(j=0;j if(result.charAt(j)=="1"){ combination+=items[j]+","; } } console.log(combination.substring(0,combination.length-1)); } } va...