stats.ts

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.
• MB MBytes of allocated memory. (Run Chrome with --enable-precise-memory-info)
• CUSTOM User-defined panel support.

Screenshots

Installation

npm install stats.ts

Usage

var stats = new Stats();
 
stats.showPanel(1); // 0: fps, 1: ms, 2: mb, 3+: custom
 
document.body.appendChild(stats.dom);
 
function animate() {
    stats.begin();
 
    // monitored code goes here
 
    stats.end();
 
    requestAnimationFrame(animate);
}
 
requestAnimationFrame(animate);

Bookmarklet

You can add this code to any page using the following bookmarklet:

javascript:(function(){var script=document.createElement('script');script.onload=function(){var stats=new Stats();document.body.appendChild(stats.dom);requestAnimationFrame(function loop(){stats.update();requestAnimationFrame(loop)});};script.src='https://cdn.jsdelivr.net/npm/stats.ts';document.head.appendChild(script);})()