JavaScript recursive SetTimeout

Published on June 2, 2009 at 9 pm by Aleksandr Tsertkov

A simple JavaScript solution for recursively setting timeout and running some operation periodically with maximum number of iterations support and only anonymous functions.

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(function(){
    var t_count = 0;
    (function(delay, count) {
        setTimeout(function() {
            if (count && ++t_count > count) return;
            // do your stuff here
            setTimeout(arguments.callee, delay);
        }, delay);
    })(200, 10);
})();

If you will omit second argument to anonymous function than operation will run infinitely.

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(function(){
    var t_count = 0;
    (function(delay, count) {
        setTimeout(function() {
        //...
        }, delay);
    })(200);
})();

Its even possible to constantly increase delay between operations.

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(function(){
    var t_count = 0;
    (function(delay, count) {
        setTimeout(function() {
        //...
        }, delay * 0.5);
    })(200);
})();
Categories: JavaScript
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