Starts a timer you can use to track how long an operation takes. You give each timer a unique name, and may have up to 10,000 timers running on a given page. When you call console.timeEnd() with the same name, the browser will output the time, in milliseconds, that elapsed since the timer was started.

See Timers in the console documentation for details and examples.

Note: This feature is available in This feature is available in Web Workers

Syntax

console.time( label );

Parameters

label The name to give the new timer. This will identify the timer; use the same name when calling console.timeEnd() to stop the timer and get the time output to the console.

Specifications

Specification Status Comment Console API

The definition of 'console.time()' in that specification. Living Standard Initial definition

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub Desktop Mobile Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet time Chrome Full support 1 Edge Full support 12 Firefox Full support 10 IE Full support 11 Opera Full support 11 Safari Full support 4 WebView Android Full support 1 Chrome Android Full support 18 Firefox Android Full support 10 Opera Android Full support 11 Safari iOS Full support 3.2 Samsung Internet Android Full support 1.0 Legend Full support Full support

See also