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Run results for:
replaceAll vs regex replace vs split&join
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0
Browser:
Firefox 139
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
replace regex
11481043.0 Ops/sec
replace All
6146571.5 Ops/sec
split&join
11566712.0 Ops/sec
Script Preparation code:
String.prototype.replaceAll = function(search, replacement) { var target = this; return target.replace(new RegExp(search, 'g'), replacement); };
Tests:
replace regex
"this {a} is {a} it".replace(/\{a\}/g, "+");
replace All
"this {a} is {a} it".replaceAll("{a}", "+");
split&join
"this {a} is {a} it".split('{a}').join('+');