how to use the isnan function from lodash in javascript

You can use the isNaN function from lodash by first installing lodash with a package manager like npm:

index.tsx
npm install lodash
19 chars
2 lines

Then, you can import it in your JavaScript code:

index.tsx
const _ = require('lodash');

console.log(_.isNaN(NaN)); // true
console.log(_.isNaN('NaN')); // false
console.log(_.isNaN('Hello World')); // true
148 chars
6 lines

The _.isNaN() function, like the built-in Number.isNaN() function, returns true if the given value is NaN, and false otherwise.