what's the purpose of a variable?

Answer 1

simply its useful to store data

Answer 2

variable used for storing the data.....which may be varry or changed by the programmer during programme execution time. ..like... int a=3; and then a=7; so 3,7 are constant bcz it's fixed but value of( a)is being varry so it is a variable...

Answer 3

To store data.

Answer 4

A few examples:
var a = 42; //number
var b = "some text"; //string
var c = true; //boolean
var d = ["a", "b", "c"]; //array

Answer 5

variable are memory location that can be used for storing data
for eg 'var name' will store someones name

Answer 6

could you give me an example please?

Answer 7

like what kinda data?

Answer 8

any data, but each variable only able to contain one data or value

Answer 9

To hold information like:
var name = prompt("What is your name");