17 lines
336 B
Markdown
17 lines
336 B
Markdown
---
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title: toDecimalMark
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tags: utility,math,beginner
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---
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Converts a number to a decimal mark formatted string.
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Use `Number.prototype.toLocaleString()` to convert the numbre to decimal mark format.
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```js
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const toDecimalMark = num => num.toLocaleString('en-US');
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```
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```js
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toDecimalMark(12305030388.9087); // "12,305,030,388.909"
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```
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