statement.js

function mySum1()
{
let x,y,z; //statement 1
x=10; //statement 2
y=20; //statement 3
z=x+y; //statement 4



document.write("The sum of x and y is  :"+z);

}

function mySum2()
{


let a, b, c;  // Declare 3 variables
a = 5;        // Assign the value 5 to a
b = 6;        // Assign the value 6 to b
c = a + b;    // Assign the sum of a and b to c

document.write("The sum of a and b is  :"+c);


}