clear interval assignment expert

JS Reference

Html events, html objects, other references, window clearinterval().

Display the time once every second. Use clearInterval() to stop the time:

More examples below.

Description

The clearInterval() method clears a timer set with the setInterval() method.

To clear an interval, use the id returned from setInterval():

Then you can to stop the execution by calling clearInterval():

The setInterval() Method

The setTimeout() Method

The clearTimeout() Method

Return Value

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More Examples

Toggle between two background colors once every 500 milliseconds:

Using setInterval() and clearInterval() to create a dynamic progress bar:

Browser Support

clearInterval() is supported in all browsers:

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Answer to Question #302814 in HTML/JavaScript Web Application for chethan

Hourly Stop Watch

The goal of this coding exam is to quickly get you off the ground with the clearInterval and setInterval.

Refer to the below image.

https://assets.ccbp.in/frontend/content/react-js/hourly-stop-watch-op.gif

Achieve the given functionality using JS.

The timer should be initiated at 0.

• When the HTML button element with the id
• startBtn is clicked, the timer should be started.
• stopBtn is clicked, the timer should be stopped.
• startBtn is clicked after the HTML button element with id stopBtn clicked, the timer should be resumed.
• Timer should reset to 00 minutes, 00 seconds after one hour.

This is a one hour timer. The maximum time is one hour.

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JavaScript clearTimeout() & clearInterval() Method

In JavaScript there are many inbuilt functions clearTimeout() and clearInterval() methods are some of them. when we use setTimeout() and setInterval()  in any JavaScript program then it must clear the time used in those functions so we use the clearTimeout() and clearInterval() methods.

Prerequisite:

setTimeout() and setInterval()  

JavaScript clearTimeout()   Function

The clearTimeout() function in javascript clears the timeout which has been set by the setTimeout() function before that.

Parameters:

• name_of_setTimeout: It is the name of the setTimeOut() function whose timeout is to be cleared.

Example: In this example, we will write a function to clear the timeout set by the setTimeout() function using the clearTimeout() function.

Output: The GeeksForGeeks button color changes after 2 seconds just one time. Click on Stop 2 seconds after clicking the GeeksForGeeks button to clear Timeout. 

JavaScript clearInterval() Function

The clearInterval() function in javascript clears the interval which has been set by the setInterval() function before that.

• nameOfInterval: It is the name of the setInterval() function whose interval is to be cleared.

Example: In this example, we will write a function to clear the interval set by the setInterval() function using the clearInterval() function.

Output: In this example, the GeeksForGeeks color changes and stays the same every second, after that it changes again. Click on Stop to clear the interval. 

Supported Browsers

• Google Chrome 1.0
• Internet Explorer 4.0
• Firefox 1.0

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript .

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