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Run results for:
Which equals operator (== vs ===) is faster?
Is there a performance benefit to replacing == with ===?
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<iframe src="https://measurethat.net/Embed?id=611321" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
test equality
9151661.0 Ops/sec
test strict equality
83485472.0 Ops/sec
Tests:
test equality
var n = 0; if (n == 0) { // same type } if (n == '0') { // different type } if (n == {}) { // totally different }
test strict equality
var n = 0; if (n === 0) { // same type } if (n === '0') { // different type } if (n === {}) { // totally different }