Created
June 15, 2011 18:53
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javascript tilde operator with indexOf
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| > var a = ["a", "b"] | |
| > a.indexOf("a") | |
| 0 | |
| > a.indexOf("b") | |
| 1 | |
| > a.indexOf("c") | |
| -1 | |
| > ~a.indexOf("a") | |
| -1 | |
| > ~a.indexOf("c") | |
| 0 | |
| > !!~a.indexOf("a") | |
| true | |
| > !!~a.indexOf("c") | |
| false |
I guess this shows just how much browsers (and computers in general) have improved in just a few years!
Chrome on Windows 7
NodeJS on Win10. My chrome benchmark equals the bencmark from ISNIT0.
Just wondering why nodejs is ~2-3x faster.
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^^
Since then,
Most browsers perform these much faster and equally as fast too.