15 lines
358 B
Markdown
15 lines
358 B
Markdown
### round
|
|
|
|
Rounds a number to a specified amount of digits.
|
|
|
|
Use `Math.round()` and template literals to round the number to the specified number of digits.
|
|
Omit the second argument, `decimals` to round to an integer.
|
|
|
|
```js
|
|
const round = (n, decimals = 0) => Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`);
|
|
```
|
|
|
|
```js
|
|
round(1.005, 2); // 1.01
|
|
```
|