console: countReset() static method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

Note: This feature is available in Web Workers.

The console.countReset() static method resets counter used with console.count().

Syntax

js
console.countReset()
console.countReset(label)

Parameters

label Optional

A string. If supplied, countReset() resets the count for that label to 0. If omitted, countReset() resets the default counter to 0.

Return value

None (undefined).

Examples

For example, given code like this:

js
function greet(user) {
  console.count();
  return `hi ${user}`;
}

greet("bob");
greet("alice");
greet("alice");
console.count();
console.countReset();

Console output will look something like this:

"default: 1"
"default: 2"
"default: 3"
"default: 4"
"default: 0"

Note that the call to console.counterReset() resets the value of the default counter to zero.

If we pass the user variable as the label argument with the string "bob" to the first invocation of console.count(), and the string "alice" to the second:

js
function greet(user) {
  console.count(user);
  return `hi ${user}`;
}

greet("bob");
greet("alice");
greet("alice");
console.countReset("bob");
console.count("alice");

We will see output like this:

"bob: 1"
"alice: 1"
"alice: 2"
"bob: 0"
"alice: 3"

Resetting the value of the counter "bob" only changes the value of that counter. The value of "alice" is unchanged.

Specifications

Specification
Console
# countreset

Browser compatibility

desktop mobile server
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Bun
Deno
Node.js
countReset() static method
Chrome – Full support
Chrome 68 (Release date: 2018-07-24)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 62 (Release date: 2018-09-05)
footnote Full support
Opera – Full support
Opera 55 (Release date: 2018-08-16)
footnote Full support
Safari – Full support
Safari 13 (Release date: 2019-09-19)
footnote Full support
Chrome Android – Full support
Chrome Android 68 (Release date: 2018-07-24)
footnote Full support
Firefox for Android – Full support
Firefox for Android 62 (Release date: 2018-09-05)
footnote Full support
Opera Android – Full support
Opera Android 48 (Release date: 2018-11-08)
footnote Full support
Safari on iOS – Full support
Safari on iOS 13 (Release date: 2019-09-19)
footnote Full support
Samsung Internet – Full support
Samsung Internet 10 (Release date: 2019-08-22)
footnote Full support
WebView Android – Full support
WebView Android 68 (Release date: 2018-07-24)
footnote Full support
WebView on iOS – Full support
WebView on iOS 13 (Release date: 2019-09-19)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1 (Release date: 2020-05-13)
footnote Full support
Node.js – Full support
Node.js 8.3 (Release date: 2017-08-09)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also