Tiny module for measuring FPS
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LICENSE.md first commit May 4, 2013
README.md Fix small typo in readme Aug 21, 2013
index.js Allow for using Date.now too... May 4, 2013
package.json 0.0.2 May 4, 2013
test.js first commit May 4, 2013



A little module for measuring FPS (frames per second) rates in the browser and Node. Note that this module only covers measuring and not display, so if you're looking for something more "plug and play" you should try stats.js or FPSMeter.


npm install fps


var fps = require('fps')
var ticker = fps({
    every: 10   // update every 10 frames

setInterval(function() {
}, 1000 / 60)

var element = document.getElementById('fps')
ticker.on('data', function(framerate) {
  element.innerHTML = String(framerate)

ticker = require('fps')([options])

Returns a new FPS monitor. Takes the following options:

  • every: how many frames to tick before emitting. Defaults to 1.
  • decay: the rate of change between old and new results. 1 is instantaneous, 0 is never.


Call this method at the beginning of each frame to update the measurements and emit new results.

ticker.on('data', callback)

Called when periodically for every options.every ticks.


The current framerate can be accessed directly here.