Javascript: September 5, 2017 //initializing variables var a = 2; var b = "Jim"; var c = 3; var d = 4; var e = 0; //numeric variable document.write(a); //string variable document.write(b); //concatenation document.write(a+b); //simple variable operations //addition e = c + d; document.write(e); //subtraction e = c - d; document.write(e); //mod e = c % d; document.write(e);