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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>
    var NativePromise = Promise;
</script>
<script src="http://rawgithub.com/dfilatov/vow/master/vow.min.js"></script>

Setup JS

Teardown JS

Test cases

Test #1

Title *

Async

Code *

// async test
function make() {
  var resolver = Promise.pending()

  resolver.fulfill()

  return resolver.promise
}

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

Test #2

Title *

Async

Code *

// async test

Test #3

Title *

Async

Code *

// async test

Test #4

Title *

Async

Code *

// async test

Test #5

Title *

Async

Code *

// async test

Test #6

Title *

Async

Code *

// async test

Test #7

Title *

Async

Code *

// async test

Test #8

Title *

Async

Code *

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

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