反向对象迭代（javascript）

Question

How can I iterate over a javascript object, from back to front.

The object looks like this. {"33":140, "34":100, "35":120, "36":200}

I want it to display like this...

36 | 200
35 | 120
34 | 100
33 | 140

I tried sorting first then displaying, but it sorts by the second number, not the key. How would I either iterate from back to front, or reverse sort based on the key.

I realize this is pretty simple, but Im getting pretty frustrated with it....

Answer 1

A fairly modern version would look like this:

Object.keys(obj).sort(function (a, b) {
    return Number(b) - Number(a);
}).forEach(function (current) { 
    console.log(current + ' | ' + obj[current]); 
});

Similarly, but with a little bit more code, it could be written for older browsers, too. Or you use shims.