Sometimes, we want to convert a string into a math operator in JavaScript.

In this article, we’ll look at how to convert a string into a math operator in JavaScript.

How to convert a string into a math operator in JavaScript?

To convert a string into a math operator in JavaScript, we use the mathjs package.

For instance, we write

npm install mathjs

Then we write

import { evaluate } from "mathjs";

const myArray = ["225", "+", "15", "-", "10"];
const result = evaluate(myArray.join(" "));

to call evaluate with the string created by combining the substrings into 1 string with join to get the result of the expression.

Conclusion

To convert a string into a math operator in JavaScript, we use the mathjs package.