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October 28, 2017 20:53
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JS headaches
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| > "5" - 3 | |
| 2 | |
| > "5" + 3 | |
| "53" // почему ?! | |
| >'5' + + '3' | |
| "53" // кажется, здесь все логично | |
| > '5' + - '3' | |
| "5-3" // ан нет | |
| > 'foo' + + 'foo' | |
| "fooNaN" // потрясающе! | |
| // и еще немного магии | |
| > var x = 3; | |
| > '5' + x - x | |
| 50 | |
| > '5' - x + x | |
| 5 |
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