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Merge pull request #2989 from Rnbsov/patch-39

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Ilya Kantor 2022-06-18 22:32:33 +03:00 • committed by GitHub
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1-js/05-data-types/04-array/article.md
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@ -153,9 +153,9 @@ A stack is usually illustrated as a pack of cards: new cards are added to the to
For stacks, the latest pushed item is received first, that's also called LIFO (Last-In-First-Out) principle. For queues, we have FIFO (First-In-First-Out). For stacks, the latest pushed item is received first, that's also called LIFO (Last-In-First-Out) principle. For queues, we have FIFO (First-In-First-Out).
Arrays in JavaScript can work both as a queue and as a stack. They allow you to add/remove elements both to/from the beginning or the end. Arrays in JavaScript can work both as a queue and as a stack. They allow you to add/remove elements, both to/from the beginning or the end.
In computer science the data structure that allows this, is called [deque](https://en.wikipedia.org/wiki/Double-ended_queue). In computer science, the data structure that allows this, is called [deque](https://en.wikipedia.org/wiki/Double-ended_queue).
**Methods that work with the end of the array:** **Methods that work with the end of the array:**
@ -399,7 +399,7 @@ There is one more syntax to create an array:
let arr = *!*new Array*/!*("Apple", "Pear", "etc"); let arr = *!*new Array*/!*("Apple", "Pear", "etc");
``` ```
It's rarely used, because square brackets `[]` are shorter. Also there's a tricky feature with it. It's rarely used, because square brackets `[]` are shorter. Also, there's a tricky feature with it.
If `new Array` is called with a single argument which is a number, then it creates an array *without items, but with the given length*. If `new Array` is called with a single argument which is a number, then it creates an array *without items, but with the given length*.