Question 286532 in Javascript Question posted in
A very good W3school tutorial can be found here.

setInterval and clearInterval in javaScript

let count = 0;

function printCount() {
  console.log("Count:", count);
  count++;

  if (count > 5) {
    clearInterval(intervalId);
  }
}

let intervalId = setInterval(printCount, 1000); clearInterval(intervalId);

I do not understand why its not working on Google Chrome console. Can you help me please?

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2

Answers


  1. 0

    clearInterval is executed right after setInterval.
    Below may be work

    let count = 0;

function printCount() {
  console.log("Count:", count);
  count++;

  if (count > 5) {
    clearInterval(intervalId);
  }
}

let intervalId = setInterval(printCount, 1000);
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  2. 0

    The clearInterval(intervalId); line is placed right after the setInterval function, so it clears the interval immediately after setting it.

    Try removing the clearInterval(intervalId); line outside of the setInterval call, and it should work as expected:

    let count = 0;

function printCount() {
  console.log("Count:", count);
  count++;

  if (count > 5) {
    clearInterval(intervalId);
  }
}

let intervalId = setInterval(printCount, 1000);
// clearInterval(intervalId); // Remove this line

    Now, the interval should continue running until the count is greater than 5.

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