function.js

Function.prototype.compose = function(argFunction) {
    var invokingFunction = this;
    return function() {
        return invokingFunction.call(this, argFunction.apply(this,arguments));
    }
}

usecase.js

var alertPower = alert.compose(Math.pow);
alertPower(9,8); //alert shows 43046721

var roundedSqRoot = Math.round.compose(Math.sqrt);
roundedSqRoot(28); //5

var queryString = String.prototype.substring.compose(String.prototype.indexOf).curry('?');
queryString.call("http://www.wunderground.com?query=94101&weekday=Tuesday"); //?query=94101&weekday=Tuesday