21 lines
460 B
Markdown
21 lines
460 B
Markdown
---
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title: Number to decimal mark
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tags: math
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expertise: beginner
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cover: blog_images/blue-bench.jpg
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firstSeen: 2017-12-21T16:29:51+02:00
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lastUpdated: 2020-10-22T20:24:30+03:00
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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 number 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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