JavaScript

Speed Question jQuery.each vs. for loop

Sam Deering
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Quick point. It might be beneficial to mention that we are using vanilla for loops instead of jQuery.each for speed (up to 84% faster). Using a for loop with variable caching produces even faster results jsperf – each vs for.

each-vs-for-speed-js-perf

jQuery.each

$.each(a, function() {
  e = this;
});

For Loop with Caching

for ( var i = 0, len = a.length; i For Loop without Caching

for (var i = 0; i Pre-calculated Length attempt

precalculated-length

var len = a.length, i = 0;
for (i; i