stats.js

Javascript Performance Monitor

This class provides a simple info box that will help you monitor your code performance.

• FPS Frames rendered in the last second. The higher the number the better.
• MS Milliseconds needed to render a frame. The lower the number the better.
• MEM Mbytes of memory allocated. Make sure it doesn't keep incrementing. (Chrome only, --enable-memory-info flag required)

Screenshots

Usage

var stats = new Stats();
parentElement.appendChild(stats.domElement);

setInterval(function () {

	stats.update();

}, 1000/60);

Aligning the panel to the top-left corner:

var stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';

parentElement.appendChild(stats.domElement);

setInterval(function () {

	stats.update();

}, 1000/60);

Change Log

2010 09 21 - r5 (3.800 kb)

• Different color per mode.
• Added MEM mode. (Chrome only)
• Force text left aligned.

2010 06 11 - r4 (2.235 kb)

• Added MS mode.

2010 05 12 - r3 (1.241 kb)

• Switched to module pattern code style.
• Removed position = 'absolute'.

2010 03 01 - r2 (2.177 kb)

• Simplified.

2010 02 21 - r1

• Accurate FPS calculation. (thx Spite!)

2009 08 09 - r0

• Base code.