Variables – Used to store data.
Example: let name = "John";
Data Types –Different types of values like:
String (text) → "Hello"
Number → 10
Boolean → true or false
Array → [1, 2, 3]
Object → {name: "John", age: 30}
Loops-To repeat for a number of times.
For loop:
for (let i = 1; i <= 5; i++)
While loop:
let i = 1;
while (i <= 5) {
console.log(i);
i++;
}