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Run results for:
for loop vs every
iterating over an array to test whether every element satisfies a condition the for loop uses "inlining" (the condition is right there, without an extra function call) the call to every uses the predefined lambda ("cond")
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<iframe src="https://measurethat.net/Embed?id=625727" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Linux
Device Platform:
Desktop
Date tested:
5 months ago
every
57.0M/s
for loop
17.4M/s
View exact numbers
Test name
Executions per second
✓
every
57,015,796 Ops/sec
for loop
17,397,888 Ops/sec
Script Preparation code:
nums = [1,2,3,4,5,6,7,8,9,10,3,51,124,23,235,-124,25,253,256,315] cond = x => x >= 0;
Tests:
for loop
let result = true; for (let i = 0; i < nums.length; i++) { if (!(nums[i] >= 0)) { result = false; break; } }
every
nums.every(cond);