Matematiska operationer med tal i JavaScript

Addition:

javascriptlet a = 1 + 2;
alert(a); // visar 3

Subtraktion:

javascriptlet b = 3 - 2;
alert(b); // visar 1

Multiplikation:

javascriptlet c = 3 * 2;
alert(c); // visar 6

Division:

javascriptlet d = 4 / 2;
alert(d); // visar 2