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Promises chaining#259
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tarasyyyk merged 4 commits intojavascript-tutorial:masterfromhordiienko-tatiana:promises-chainingJan 17, 2022
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6f98520
Promises chaining - add translation for article and task
TetianaHordiienko866d488
Merge branch 'master' into promises-chaining
TetianaHordiienko4359faa
Promises chaining - add translation for images
TetianaHordiienkoe465753
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10 changes: 5 additions & 5 deletions1-js/11-async/03-promise-chaining/01-then-vs-catch/solution.md
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,20 +1,20 @@ | ||
Коротка відповідь: **ні, вони не рівні**: | ||
Різниця полягає в тому, що якщо помилка відбувається в `f1`,тоді її обробляє`.catch`тут: | ||
```js run | ||
promise | ||
.then(f1) | ||
.catch(f2); | ||
``` | ||
...Але не тут: | ||
```js run | ||
promise | ||
.then(f1, f2); | ||
``` | ||
Це тому, що помилка передається по ланцюжку, а в другому фрагменті коду немає ланцюжка нижче `f1`. | ||
Іншими словами, `.then`передає результати/помилки наступному`.then/catch`.Отже, у першому прикладі нижче є`catch`, а в другому його немає, тому помилка не оброблена. |
6 changes: 3 additions & 3 deletions1-js/11-async/03-promise-chaining/01-then-vs-catch/task.md
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