8ee50178f3
Correct: `Array.from()` (it’s a static method) Incorrect: `Array.join()` (doesn’t exist; it’s a prototype method) This patch uses the common `#` syntax to denote `.prototype.`.
16 lines
346 B
Markdown
16 lines
346 B
Markdown
### dropRight
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Returns a new array with `n` elements removed from the right.
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Use `Array.prototype.slice()` to slice the remove the specified number of elements from the right.
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```js
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const dropRight = (arr, n = 1) => arr.slice(0, -n);
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```
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```js
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dropRight([1, 2, 3]); // [1,2]
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dropRight([1, 2, 3], 2); // [1]
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dropRight([1, 2, 3], 42); // []
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```
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