Javascript Number Format

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In JavaScript, the Intl.NumberFormat () method allows you to specify a currency that you want to represent by a number. The method is a constructor that can be used to format the currency in its style property.

This article explains how we use Intl.NumberFormat () to achieve this, along with some sample code.

Decomposition of the constructor and its parameters

Since Intl.NumberFormat () is a constructor, it will be preceded by the "new" JavaScript keyword to create a object capable of obtaining specialized digital formatting.

The constructor accepts two optional parameters, "locales" and "options". The locale will contain a string with Current Internet Best Practices (BCP) for language tags or, currently, BCP 47. For example, if we wanted US English, we would use the BCP 47 language tag of " en-US ", if we wanted Brazilian Portuguese, we would use" pt-BR ".

Options has 17 different properties that it can contain, but in this article we will only focus on three. We also focus on the style with which we can use Currency, CurrencyDisplay and CurrencySign.

Sample code

Some things to note in our code example above are that we used the format () method to pass our variable silver. We did this after creating the new object, which is used to format our currency according to our preferences, which are passed as parameters.

Notice how we not only get the actual symbol in our output, but we also get the correct format for the currencies. Along with the Japanese Yen, the change in this example has been purposefully rounded off when looking at minor units.

CurrencyDisplay and CurrencySign

Two other common properties that we can keep under the currency options setting are CurrencyDisplay and CurrencySign.

CurrencyDisplay will display the currency in different formatting using values ‚Äã‚Äãsuch as symbol, narrow symbol, code and name.

CurrencySign will enclose a number in parentheses instead of adding a minus sign. This is used for and with "accounting", so we have to change the option in this data which is automatically set to "standard".

Conclusion

The Intl.NumberFormat () method is a constructor used to, among other things, format the currency in its style property. We can use it in conjunction with format () to display the currency as we like.

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We hope this article has helped you to resolve the problem. Apart from Javascript Number Format, check other code Python module-related topics.

Want to excel in Python? See our review of the best Python online courses 2023. If you are interested in Data Science, check also how to learn programming in R.

By the way, this material is also available in other languages:



Chen Williams

Vigrinia | 2023-02-02

I was preparing for my coding interview, thanks for clarifying this - Javascript Number Format in Python is not the simplest one. I am just not quite sure it is the best method

Chen Emmerson

Abu Dhabi | 2023-02-02

Simply put and clear. Thank you for sharing. Javascript Number Format and other issues with SPL PHP module was always my weak point 😁. Checked yesterday, it works!

Javier Danburry

Tallinn | 2023-02-02

I was preparing for my coding interview, thanks for clarifying this - Javascript Number Format in Python is not the simplest one. Will get back tomorrow with feedback

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