Function chaining without Array prototype modifications

schedule.js

/**
 * Function chaining without modifying Array prototype. Not ES5 compatible.
 * @param functions {Array{Function}} functions to schedule
 * @param context {Object} for execution
 */
function schedule(functions, context){
    setTimeout(function(){
        var process = functions.shift();
        process.call(context);

        if (functions.length > 0){
            setTimeout(arguments.callee, 100);
        }
    }, 100);
}

// Example usage
schedule([doSomething, doSomethingElse, doOneMoreThing], window);