Own realization of functions bind call and apply.

bind-call-apply.js

/** Bind: */
Function.prototype.c_bind = function (cnt) {
    var pArgs = [].slice.call(arguments, 0), fn = this;
    return function () {
      var args = [].slice.call(arguments, 0);
      [].splice.apply(pArgs, [0, args.length].concat(args));	
      return fn.apply(cnt, args);
    }  
};

/** Apply: */
Function.prototype.c_apply = function (obj, args) {
    var toSource = function (val) {
        return "function" == typeof val ? val.toString() : val
    };

    args = args
        .map(toSource)
        .map(JSON.stringify)
        .join(',');

    obj = Object(obj);
    obj.fn = this;

    return new Function ("obj", "return obj.fn(" + args + ")")(obj);
};

/** Call: */
Function.prototype.c_call = function () {
    var args = [].slice.call(arguments, 1),
        obj = arguments[0],
        toSource = function (val) {
            return "function" == typeof val ? val.toString() : val
        };

    args = args
        .map(toSource)
        .map(JSON.stringify)
        .join(',');

    obj = Object(obj);
    obj.fn = this;

    return new Function ("obj", "return obj.fn(" + args + ")")(obj);
};