Find Performance between 1.7.1 and 1.9.x and 1.10.0
Hi, all...
I recently updated the jQuery version my site is using to 1.9.1 from 1.7.1. Unfortunately, performance suffered considerably, especially in IE 9.
I have a jsperf test that outlines what I'm seeing.
$
(
".k-grid-content tbody:first"
).
find
(
'> tr:not(.k-grouping-row,.k-detail-row,.k-group-footer)'
)
In Chrome, find using the query above is 66% slower in jQuery 1.9 and 1.10 than in jQuery 1.7.
in IE, that same query is 92% slower in jQuery 1.9 and 1.10.
Why is find soo much slower in the newer versions?