How to clearInterval with unknown ID?

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From quick test, all major browsers (latest Chrome, Firefox and IE) give pretty small numbers as the ID so just looping “blindly” over all possible numbers should work just fine:

function ClearAllIntervals() {
    for (var i = 1; i < 99999; i++)
        window.clearInterval(i);
}

Full example:

window.onload = function() {
    window.setInterval(function() {
        document.getElementById("Tick").innerHTML += "tick<br />";
    }, 1000);
    window.setInterval(function() {
        document.getElementById("Tack").innerHTML += "tack<br />";
    }, 1000);
};

function ClearAllIntervals() {
    for (var i = 1; i < 99999; i++)
        window.clearInterval(i);
}
#Placeholder div { width: 80px; float: left; }
<button type="button" onclick="ClearAllIntervals();">Clear All</button>
<div id="Placeholder">
    <div id="Tick"></div>
    <div id="Tack"></div>
</div>

This will stop all intervals, can’t stop specific interval without knowing its ID of course.

As you can test for yourself, it should work on all major browsers mentioned above.

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