async / sync queue of functions.

jobsQueue.js

function jobsQueue(jobs) {
    if (jobs && jobs instanceof Array && jobs.length > 0) {
        var count = jobs.length;
        var i = -1;
        var next = function() {
            if (++i < count) jobs[i](next);
        }
        next();
    }
}


function jobsQueueAsync(jobs, complete) {
    if (jobs && jobs instanceof Array && jobs.length > 0) {
        var count = jobs.length;
        var done = function() {
            if (--count == 0 && complete) complete();
        }
        for(var i = 0, len = jobs.length; i < len; ++i) {
            jobs[i](done)
        }
    }
}


// usage example
var data = { };

jobsQueue([
    function(next) {
        data.value = 1; // 1
        next();
    },

    function(next) {
        data.value += 10; // 11
        setTimeout(function() { // create async call
            data.value *= 2; // 22
            next();
        }, 20);
    },

    function(next) {
        data.value = 'test ' + data.value; // 'test 22'
        next();
    },

    function() {
        console.log(data); // { value: 'test 22' }
    }
]);