JavaScript program for math methods and properties

 document. write("<h3>Methods</h3>");

var num=null;

document. write(Math.abs(num)+"<br>");

var num="Hello";

document. write(Math.abs(num)+"<br>");

var num=true;

document. write(Math.abs(num)+"<br>");

var num=null;

document. write(Math.abs(num)+"<--abs()<br>");

var num=5.4;

document. write(Math.ceil(num)+"<--ceil()<br>");

var num=7.8;

document. write(Math.floor(num)+"<--floor()<br>");

var num=2;

document. write(Math.exp(num)+"<--exp()<br>");

var num=1;

document. write(Math.log(num)+"<--log()<br>");

var num=90;

document. write(Math.min(-45,-6,3)+"<--min()<br>");

document. write(Math.max(-45,-6,3)+"<--max()<br>");

document. write(Math.pow(2,3)+"<--pow()<br>");

document. write(Math.random()+"<--random()<br>");

var num=4.5;

document. write(Math.round(num)+"<--round()<br>");

var num=64;

document. write(Math.sqrt(num)+"<--sqrt()<br>");

var num=216;

document. write(Math.cbrt(num)+"<--cbrt()<br>");

var num=3.678;

document. write(Math.trunc(num)+"<--trunc()<br>");

document. write(Math.sin(num)+"<--sin()<br>");

var num=90;

document. write(Math.cos(num)+"<--cos()<br>");

var num=45;

document. write(Math.tan(num)+"<--tan()<br>");

document. write("<h3>Properties</h3>");

document. write(Math.PI+"<--PI<br>");

document. write(Math.E+"<--E<br>");

document. write(Math.LN2+"<--LN2<br>");

document. write(Math.LN10+"<--LN10<br>");

document. write(Math.LOG2E+"<--LOG2E<br>");

document. write(Math.LOG10E+"<--LOG10E<br>");

Output