paveltretyakovru

for i in [0...someCount]
  doSomething()

# For in Obj at one line
for key , value of Obj then if key != Obj.length then console.log 'key', key , 'value',value

paveltretyakovru

function preloadImages(srcs, imgs, callback) {
    var img;
    var remaining = srcs.length;
    for (var i = 0; i < srcs.length; i++) {
        img = new Image();
        img.onload = function() {
            --remaining;
            if (remaining <= 0) {
                callback();
            }