JS Variables
A variable gives a value a name so you can use it later. Prefer const unless the binding needs reassignment.
Where to run this
This example uses the JavaScript console playground. Select Run to execute it; the example does not run on this lesson page.
A practical example
const ticketPrice = 6;
let quantity = 2;
quantity = 3;
console.log(ticketPrice * quantity);
What happens
The total is 18 after quantity changes.