/// <reference path="stats.d.ts" />

var stats = new Stats();
stats.setMode(1); // 0: fps, 1: ms

// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';

document.body.appendChild( stats.domElement );

setInterval( function () {

    stats.begin();

    // your code goes here

    stats.end();

}, 1000 / 60 );