JavaScript - how to run setInterval() only 1 time

Question

<button onClick="increase = setInterval(increasing, 400);
        clearInterval(decrease);"><b>Sicaklik Arttir (+)</b>
</button>

<button onClick="clearInterval(increase);
        clearInterval(decrease);"><b>Stop</b
</button>

<button onClick="decrease = setInterval(decreasing, 400);
        clearInterval(increase)"><b>Sicaklik Azalt  (-)</b>
</button>

I have buttons that include setInterval. When I press button, setInterval is called, but when I press again, setInterval is called again, and I can't stop it.

How do I stop it?

I want to run setInterval only one time.

Bhojendra Rauniyar · Accepted Answer · 2014-08-13 10:07:28Z

2

There is setTimeout method which calls only once at a time.

setTimeout(increasing, 400)

To clear the timeout use clearTimeout method.

answered Aug 13, 2014 at 10:07

Bhojendra Rauniyar

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1 Comment

ersintopal Over a year ago

how can I use setTimeout? Can you expalin please

byJeevan · Accepted Answer · 2014-08-13 10:11:14Z

0

Check the return value before button clicked 2nd time and before timeout of 400 seconds ,

 if(! increase)
   increase = setTimeout(increasing, 400);

Then clear timeout :

 clearTimeout(increase);

answered Aug 13, 2014 at 10:11

byJeevan

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