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Logs the current value of a timer that was previously started by calling console.time() to the console.

See Timers in the documentation for details and examples.

Note: This feature is available in Web Workers.

Syntax

console.timeLog(label);

Parameters

label
The name of the timer to log to the console.

Return

If no label parameter included:

default: 1042ms

If an existing label is included:

timer name: 1242ms

Exceptions

If there is no running timer, timeLog() returns the warning:

Timer “default” doesn’t exist.

If a label parameter is include but there is not corresponding timer:

 Timer “timer name” doesn’t exist. 

Examples

console.time("answer time");
alert("Click to continue");
console.timeLog("answer time");
alert("Do a bunch of other stuff...");
console.timeEnd("answer time");

The output from the example above shows the time taken by the user to dismiss the first alert box, followed by the time it took for the user to dismiss the second alert:

timerresult.png

Notice that the timer's name is displayed when the timer value is logged using timeLog() and again when it's stopped.

Specifications

Specification Status Comment
Console API
The definition of 'console.timeLog()' in that specification.
Living Standard Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome No support No
Notes
No support No
Notes
Notes See bug 854474.
Edge No support NoFirefox Full support 62IE No support NoOpera No support NoSafari No support No
Notes
No support No
Notes
Notes See bug 186833.
WebView Android No support NoChrome Android No support NoEdge Mobile No support NoFirefox Android Full support 62Opera Android ? Safari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

See also

Метки документа и участники

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