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Update the operator precedence table

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According to MDN, the precedence of unary plus, unary negation,
exponentiation, multiplication, division, addition, and
subtraction is 1 lower than it is in the document
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romanstetsyk 2022-07-21 20:59:18 +01:00
parent 7000ede297
commit 69d180e028
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1-js/02-first-steps/08-operators/article.md
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@ -194,18 +194,18 @@ Here's an extract from the [precedence table](https://developer.mozilla.org/en-U
| Precedence | Name | Sign |
|------------|------|------|
| ... | ... | ... |
| 15 | unary plus | `+` |
| 15 | unary negation | `-` |
| 14 | exponentiation | `**` |
| 13 | multiplication | `*` |
| 13 | division | `/` |
| 12 | addition | `+` |
| 12 | subtraction | `-` |
| 14 | unary plus | `+` |
| 14 | unary negation | `-` |
| 13 | exponentiation | `**` |
| 12 | multiplication | `*` |
| 12 | division | `/` |
| 11 | addition | `+` |
| 11 | subtraction | `-` |
| ... | ... | ... |
| 2 | assignment | `=` |
| ... | ... | ... |
As we can see, the "unary plus" has a priority of `15` which is higher than the `12` of "addition" (binary plus). That's why, in the expression `"+apples + +oranges"`, unary pluses work before the addition.
As we can see, the "unary plus" has a priority of `14` which is higher than the `11` of "addition" (binary plus). That's why, in the expression `"+apples + +oranges"`, unary pluses work before the addition.
## Assignment