jj

gistfile1.txt

function bind(method, context) {
    var args = Array.prototype.slice.call(arguments, 2);
    return function() {
        var a = args.concat(Array.prototype.slice.call(arguments, 0));
        return method.apply(context, a);
    }
}

function Man(name){
	this.name = name;
}

function Worker(){}

Worker.prototype.doWork = function(ef){
	console.log(this.name + ' is working ' + ef);
}
Worker.prototype.bind = bind;

let bob = new Man('Bob');
let worker = new Worker();

worker.bind(worker.doWork, bob)('strongly!');