Is there a functionality in JavaScript to convert values into specific locale formats?

Question

Is there a built in function of JavaScript to convert a string into a particular locale (Euro in my case)?

E.g. 50.00 should get converted to 50,00 €.

Answer 1

50.00 is a unit-less value. The best you can do is convert 50.00 to 50,00 and then append the € yourself. Therefore, just use Number.toLocaleString().

var i = 50.00;
alert(i.toLocaleString() + ' €'); // alerts '50.00 €' or '50,00 €'

Demo →

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