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.`.
15 lines
332 B
Markdown
15 lines
332 B
Markdown
### digitize
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Converts a number to an array of digits.
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Convert the number to a string, using the spread operator (`...`) to build an array.
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Use `Array.prototype.map()` and `parseInt()` to transform each value to an integer.
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```js
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const digitize = n => [...`${n}`].map(i => parseInt(i));
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```
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```js
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digitize(123); // [1, 2, 3]
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```
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