Run results for: replace with global regexp vs replaceAll vs split-join

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36 Edg/138.0.0.0

Browser: Chrome 138

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

split-join

7.2M/s

replace with global regexp

5.4M/s

replaceAll

4.4M/s

View exact numbers

Tests:

replace with global regexp
"i want to replace all the spaces in this string".replace(/ /g, "_");
replaceAll
"i want to replace all the spaces in this string".replaceAll(" ", "_");
split-join
"i want to replace all the spaces in this string".split(" ").join("_");