In JavaScript, why do we use let?

Hi Tony Stark,

let is used to create a variable in JavaScript. It tells JavaScript to make a new named place to store a value.

Example:

let greeting = "Merry Christmas";

Now greeting holds that text, and you can use it later, or even change it:

greeting = "Happy New Year";

let is also block-scoped, meaning it only works inside the { } block where you created it, which helps avoid bugs.

If you have more questions, I am here to help 😊