JSON Sort

gistfile1.txt

function sortObject(o) {
    var sorted = {},
    key, a = [];

    for (key in o) {
        if (o.hasOwnProperty(key)) {
                a.push(key);
        }
    }

    a.sort(function(g,h){
	return (g - h);
    });

    for (key = 0; key < a.length; key++) {
        sorted[a[key]] = o[a[key]];
    }
    return sorted;
}


var a = {25:0.5,  8:0.6, 7:0.123};

sortObject(a);