Run results for: looking up the last character of a string

tests with a short string and a long string, to help discern which methods are tied to the string length, and which are not.

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
2 years ago
short endsWith
26.9M/s
long endsWidth
26.7M/s
short slice
24.6M/s
short substr
24.5M/s
long slice
24.4M/s
long substr
23.9M/s
short CharCodeAt
14.9M/s
long charCodeAt
14.5M/s
short brackets
14.3M/s
short charAt
14.2M/s
short substring
13.9M/s
long charAt
13.9M/s
long brackets
13.7M/s
long substring
13.7M/s
short regexp
12.0M/s
long regexp
11.8M/s
View exact numbers
Test name Executions per second
✓ short endsWith 26,933,452 Ops/sec
long endsWidth 26,683,430 Ops/sec
short slice 24,639,356 Ops/sec
short substr 24,456,252 Ops/sec
long slice 24,437,054 Ops/sec
long substr 23,919,680 Ops/sec
short CharCodeAt 14,883,711 Ops/sec
long charCodeAt 14,480,058 Ops/sec
short brackets 14,256,519 Ops/sec
short charAt 14,229,462 Ops/sec
short substring 13,945,622 Ops/sec
long charAt 13,890,839 Ops/sec
long brackets 13,685,679 Ops/sec
long substring 13,677,162 Ops/sec
short regexp 11,955,802 Ops/sec
long regexp 11,770,068 Ops/sec
Script Preparation code:
Tests: