Created
September 21, 2017 07:01
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Round after first N digits
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| /* | |
| 101 - 100 | |
| 12 - 12 | |
| 12.3 - 12 | |
| 1.45 - 1.4 | |
| */ | |
| N = 2 | |
| parseFloat(a.toPrecision(N)) |
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