'previousElementSibling' Vs. 'prev().andSelf()'

JavaScript performance comparison

Test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="target" class="red">
  Don't click me; I don't do anything at all.
</div>
<div id="recipient" class="red">
  I, however, will do 'toggles' and such.
</div>

Preparation code output

<div id="target" class="red"> Don't click me; I don't do anything at all. </div> <div id="recipient" class="red"> I, however, will do 'toggles' and such. </div> ​

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
previousElementSibling
var that = document.getElementById('recipient'),
    pair = [that, that.previousElementSibling];
console.log(pair);
pending…
prev().andSelf()
var that = document.getElementById('recipient'),
pair = [that, $(that).prev().andSelf()];
console.log(pair);
pending…

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0 Comments

Don't click me; I don't do anything at all.
I, however, will do 'toggles' and such.