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javascript/snippets/pad-number.md

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+---
+title: Pad number
+type: snippet
+tags: [string,math]
+cover: flower-portrait-2
+dateModified: 2020-10-03T23:31:08+03:00
+---
+
+Pads a given number to the specified length.
+
+- Use `String.prototype.padStart()` to pad the number to specified length, after converting it to a string.
+
+```js
+const padNumber = (n, l) => `${n}`.padStart(l, '0');
+```
+
+```js
+padNumber(1234, 6); // '001234'
+```