object-foreach.js

function forEach(list, callback) {
    var keys = Object.keys(list);
    var index = -1;
    var length = keys.length >>> 0;
    
    while (++index < length) {
        callback(list[keys[index]], keys[index], list);
    }
}

object-foreach.ts

function forEach(list:Object, callback:(value:any, key:string, object:Object) => void):void {
    let keys:Array<string> = Object.keys(list);
    let index:number = -1;
    let length:number = keys.length >>> 0;
    
    while(++index < length){
        callback(list[keys[index]], keys[index], list);
    }
}