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function defib(fn, space, scope) {
    space || (space = 1000);
    var queue = [], timer;
    function start() {
        if (queue.length) {
            var exec = queue.shift(),
                context = exec.context,
                args = exec.args;
            fn.apply(context, args);
        } else {
            console.error("queue empty; clear timer.")
            clearInterval(timer);
        }
    }
    return function() {
        var context = scope || this,
            args = [].concat(Array.prototype.slice.call(arguments));
        queue.push({
            context: context,
            args: arguments
        });
        if (!timer) timer = setInterval(start, space);
    }
}