round number to n digits

2017-12-14 13:09:08 -08:00
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--- a/snippets/round-number-to-n-digits.md
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+### Round number to n digits
+
+Correctly rounds a number to the specified number of digits.
+
+```js
+const round = (n, decimals = 0) =>
+  Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`)
+// round(1.005, 2) -> 1.01
+```