Sometimes, we want to parse a string with a comma thousand separator to a number with JavaScript.

In this article, we’ll look at how to parse a string with a comma thousand separator to a number with JavaScript.

How to parse a string with a comma thousand separator to a number with JavaScript?

To parse a string with a comma thousand separator to a number with JavaScript, we remove all the commas from the string before we parse it.

For instance, we write

const output = parseFloat("2,299.00".replace(/,/g, ""));
console.log(output);

to return the "2,299.00" string without the commas with replace.

Then we call parseFloat to parse the returned string into a floating point number.

Conclusion

To parse a string with a comma thousand separator to a number with JavaScript, we remove all the commas from the string before we parse it.