Viewing all the timeouts/intervals in javascript?

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I don’t think there is a way to enumerate active timers, but you could override window.setTimeout and window.clearTimeout and replace them with your own implementations which do some tracking and then call the originals.

window.originalSetTimeout = window.setTimeout;
window.originalClearTimeout = window.clearTimeout;
window.activeTimers = 0;

window.setTimeout = function(func, delay) {
    window.activeTimers++;
    return window.originalSetTimeout(func, delay);
};

window.clearTimeout = function(timerID) {
    window.activeTimers--;
    window.originalClearTimeout(timerID);
};

Of course, you might not always call clearTimeout, but this would at least give you some way to track what is happening at runtime.

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