None of the answers I see at the moment correctly convert -0 to "-0". Note that -0..toString() might appear to work, but it's working by converting 0 to "0", then applying the minus sign to it, …

May 25, 2010 · I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go …

To check if a variable (including a string) is a number, check if it is not a number: This works regardless of whether the variable content is a string or number.

May 26, 2011 · Round the number with 2 decimal points, then make sure to parse it with parseFloat() to return Number, not String unless you don't care if it is String or Number.

Sep 22, 2009 · JavaScript is one of those that have problems doing math with floating point values. Such an issue is due substantially to the in-memory binary representation of floating …

Number formatting varies between cultures. Unless you're doing string comparison on the output, 1 the polite thing to do is pick undefined and let the visitor's browser use the formatting they're …

I want to format a number to have two digits. The problem is caused when 0–9 is passed, so I need it to be formatted to 00–09. Is there a number formatter in JavaScript?

Apr 9, 2012 · In JavaScript, I need to have padding. For example, if I have the number 9, it will be "0009". If I have several say 10, it will be "0010". Notice how it will always contain four

This Stack Overflow thread discusses methods to format numbers as currency strings in various programming languages.

Nov 21, 2008 · JavaScript has two number types: Number and BigInt. The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number. The largest exact integral …