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Add nullish coalescing to multiple articles, refactor operators, renumber the chapter

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Ilya Kantor 2020-05-02 17:37:12 +03:00
parent 175aefa0b8
commit 8a13c992d6
54 changed files with 386 additions and 183 deletions
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1-js/02-first-steps/09-comparison/1-comparison-questions/solution.md Normal file
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@ -0,0 +1,21 @@
```js no-beautify
5 > 4 → true
"apple" > "pineapple" → false
"2" > "12" → true
undefined == null → true
undefined === null → false
null == "\n0\n" → false
null === +"\n0\n" → false
```
Some of the reasons:
1. Obviously, true.
2. Dictionary comparison, hence false. `"a"` is smaller than `"p"`.
3. Again, dictionary comparison, first char of `"2"` is greater than the first char of `"1"`.
4. Values `null` and `undefined` equal each other only.
5. Strict equality is strict. Different types from both sides lead to false.
6. Similar to `(4)`, `null` only equals `undefined`.
7. Strict equality of different types.