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jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.

jsperf.com URLs are mirrored at the same path, e.g:

https://jsperf.com/negative-modulo/2

Can be accessed at:

https://jsperf.app/negative-modulo/2

Test case details

Title *

Description
(Markdown syntax is allowed)

Preparation Code

Preparation HTML
(this will be inserted in the <body> of a valid HTML5 document in standards mode)
(useful when testing DOM operations or including libraries)

<script src="http://rsvpjs-builds.s3.amazonaws.com/rsvp-latest.js"></script>
<script src="https://raw.github.com/petkaantonov/bluebird/master/js/browser/bluebird.js"></script>

Setup JS

Teardown JS

Test cases

Test #1

Title *

Async

Code *

// async test
function make() {
  return new Promise(function (resolve, reject) {
      resolve(1)
  })
}

make().then(function (v) { return v+1; })

Test #2

Title *

Async

Code *

// async test
function make() {
  var defer = RSVP.defer()

    defer.resolve()

  return defer.promise
}

make().then(function () { deferred.resolve() })

Test #3

Title *

Async

Code *

// async test
function make() {
  return new Promise(function (resolve, reject) {
      resolve(1)
  })
}

make().then(function (v) { return v+1; })

Test #4

Title *

Async

Code *

// async test
function make() {
  return new RSVP.Promise(function (resolve, reject) {
      resolve(1)
  })
}

make().then(function (v) { return v+1; })

Test #5

Title *

Async

Code *

function make() {
  return new Promise(function (resolve, reject) {
      resolve(1)
  })
}

make().then(function (v) { return v+1; })