1. var: The var keyword is used to declare a variable that has function scope or global scope.
2. let: The let keyword is used to declare a variable that has block scope. Block scope means the variable is only accessible within the block of code where it is defined.
3. const: The const keyword is used to declare a constant variable, which means its value cannot be changed once assigned. Like let, const also has block scope.
const myConstant = 10;
When declaring a variable, you can also assign an initial value to it:
var myVariable = 5; let anotherVariable = "Hello"; const PI = 3.14;
It's important to note that the choice between var, let, and const depends on your specific needs. Use var if you need function or global scope, let if you need block scope and plan to change the value later, and const if you want to create an immutable variable.
I hope you found the above information helpful. Please let me know in the comment box if you have an alternate answer 🔥 and you can support me by buying me a coffee.