javascript change variable value in function code example
Example 1: how to change a variables value in javascript
var variable = 10;
function start() {
variable = 20;
}
console.log(variable + 20);
// Answer will be 40 since the variable was changed in the function
Example 2: change variable inside function js
var a = 10;
myFunction();
function myFunction(){
a = 20;
}
alert("Value of 'a' outside the function " + a); //outputs 20