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SlickSpeed

speed/validity selectors test for frameworks.

Every framework runs in his own iFrame, thus no conflicts can happen. Tests are run selector by selector, with an interval to prevent the browser from freeezing.

Tests are run in a neutral environment, no library or framework is included in the main javascript test, to avoid favoritism.

Tests are run against a local copy of this document.

Note: This version of SlickSpeed has been modified to run 50 tests for each selector, to collect more accurate results.
In addition, results are displayed as the average amount of time it took each selector to execute in microseconds (μs).

selectors SizzlejQuery 1.7Dojo 1.7MooTools 1.2.5DOMAssistant 2.8Prototype 1.7Quicksand 1Quicksand 2
body
div
body div
div p
div > p
div + p
div ~ p
div[class^=exa][class$=mple]
div p a
div, p, a
.note
div.example
div ~ .note
div + .note
p + .note
ul .tocline2
div.example, div.note
#title
h1#title
div #title
ul.toc li.tocline2
ul.toc > li.tocline2
h1#title + div > p
a[href][lang][class]
div[class]
div[class=example]
div[class^=exa]
div[class$=mple]
div[class*=e]
div[class|=dialog]
div[class~=example]
div:not(.example)
div:not(p)
div:not(div)
a:link
a:visited
p:contains(the)
p:nth-child(even)
p:nth-child(2n)
p:nth-child(odd)
p:nth-child(2n+1)
p:nth-child(n)
p:only-child
p:last-child
p:first-child
:target
:focus
:root
final time (less is better) 00000000

Legend

the faster the slower exception thrown or zero elements found different returned elements