Conversion of a prompt value from string to number

2 ways to convert a prompt value from a string type to a number type (check the JS file)

Originaly entering a number in the prompt will make it string type :
"4" instead of 4 for example.

If you'd like to use it as a number you could among other methods, either directly convert your prompt value using Number() method on it as in the first example :
let x=Number(prompt("enter a number :")) Or also if Number() isn't used on the prompt you can use it on the variable later :
x=Number(x)

In the second example :

Number() is not used to convert and instead is used the + operator before the variable, +x , to tell we want it to be used as a number but it will be used as so only during that operation and will still keep its string type.

example :
let x=prompt("enter a number : ") // let's say 5 which actually is string type. let y= +x + +x // + has allowed to use it as a number, now y=10 but x still have a string type, here "5".

JS: 2 ways converting the prompt value to a number