Snippet

Checking Types with typeof

The typeof operator returns a string indicating the type of the operand, which helps in validating data.

snippet.js

javascript

const score = 100;
console.log(typeof score);
const isOnline = true;
console.log(typeof isOnline);

nodejs

Breakdown

typeof score

Evaluates to 'number' because the value is a numeric literal.

typeof isOnline

Evaluates to 'boolean' since the value is true or false.