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Is there a simple way to format numbers in JavaScript, similar to the formatting methods available in C# (or VB.NET) via ToString("format_provider") or String.Format()?
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JavaScript numbers can be formatted in different ways like commas, currency, etc. You can use the toFixed() method to format the number with decimal points, and the toLocaleString() method to format the number with commas and Intl. NumberFormat() method to format the number with currency.
Regular numbers in JavaScript are stored in 64-bit format IEEE-754, also known as “double precision floating point numbers”.
The equivalent of sprintf("%. 2f", num) in JavaScript seems to be num. toFixed(2) , which formats num to 2 decimal places, with rounding (but see @ars265's comment about Math. round below).
In javascript, there is no built-in string formatting function.
Generally
In jQuery
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