There are two main ways to convert a string to a number in JavaScript. One way is to parse it and the other way is to change its type to a Number. All of the tricks in the other answers (e.g., unary plus) …

Below is a very irritating example of how JavaScript can get you into trouble: If you just try to use parseInt() to convert to number and then add another number to the result it will concatenate two …

Also, you might consider including string literal floats in the test for general comparison. My guess is that it may change the order in some cases because string to float conversion is generally slower than …

2 What would be the most efficient and safe method to convert a Decimal Integer String to a number in a time-critical loop or function where there are thousands (sometimes 100's thousands) of varying …

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, actually …

20 This question already has answers here: How can I convert a string to an integer in JavaScript? (32 answers)

Sep 3, 2014 · I wrote a utility function that dynamically detect thousands and decimal separators by using JavaScript's toLocaleString method on an example number. It then normalizes the input string …

I can't figure it out how to convert this string 82144251 to a number. Code: var num = "82144251"; If I try the code below the .toFixed () function converts my number back to a string...

I have 2,299.00 as a string and I am trying to parse it to a number. I tried using parseFloat, which results in 2. I guess the comma is the problem, but how would I solve this issue the right way? ...

Jun 24, 2018 · Let's say I have a hexadecimal, for example "0xdc", how do I convert this hexadecimal string to a hexadecimal Number type in JS? Literally just losing the quotes. The Number() …