Merge pull request #196 from javascript-tutorial/sync-29216730

Sync with upstream @ 2921673

Author: mahdyar

1-js/02-first-steps/08-operators/article.md

@@ -205,7 +205,7 @@ alert( +apples + +oranges ); // 5
 | 2 | مقداردهی | `=` |
 | ... | ... | ... |
 
-همانطور که می‌بینیم «عملگر + یگانه» اولویت `15` دارد که از عملگر جمع ( + دوگانه) با اولویت `13` بالاتر است. به همین دلیل است که در عبارت `"+apples + +oranges"` عملگرهای + یگانه پیش از علامت جمع اجرا می‌شوند.
+همانطور که می‌بینیم «عملگر + یگانه» اولویت `15` دارد که از عملگر جمع ( + دوگانه) با اولویت `12` بالاتر است. به همین دلیل است که در عبارت `"+apples + +oranges"` عملگرهای + یگانه پیش از علامت جمع اجرا می‌شوند.
 
 ## مقداردهی
 

1-js/11-async/05-promise-api/article.md

@@ -13,10 +13,10 @@ That's what `Promise.all` is for.
 The syntax is:
 
 ```js
-let promise = Promise.all([...promises...]);
+let promise = Promise.all(iterable);
 ```
 
-`Promise.all` takes an array of promises (it technically can be any iterable, but is usually an array) and returns a new promise.
+`Promise.all` takes an iterable (usually, an array of promises) and returns a new promise.
 
 The new promise resolves when all listed promises are resolved, and the array of their results becomes its result.
 

4-binary/03-blob/article.md

@@ -223,7 +223,7 @@ blob.arrayBuffer().then(buffer => /* process the ArrayBuffer */);
 
 ## From Blob to stream
 
-When we read and write to a blob of more than `2G`, the use of `arrayBuffer` becomes more memory intensive for us. At this point, we can directly convert the blob to a stream.
+When we read and write to a blob of more than `2 GB`, the use of `arrayBuffer` becomes more memory intensive for us. At this point, we can directly convert the blob to a stream.
 
 A stream is a special object that allows to read from it (or write into it) portion by portion. It's outside of our scope here, but here's an example, and you can read more at <https://developer.mozilla.org/en-US/docs/Web/API/Streams_API>. Streams are convenient for data that is suitable for processing piece-by-piece.