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snippets/js/s/to-decimal-mark.md

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+---
+title: Number to decimal mark
+type: snippet
+language: javascript
+tags: [math]
+cover: blue-bench
+dateModified: 2020-10-22T20:24:30+03:00
+---
+
+Converts a number to a decimal mark formatted string.
+
+- Use `Number.prototype.toLocaleString()` to convert the number to decimal mark format.
+
+```js
+const toDecimalMark = num => num.toLocaleString('en-US');
+```
+
+```js
+toDecimalMark(12305030388.9087); // '12,305,030,388.909'
+```