JavaScript program for number methods

7 number methods

var a="99";

var num=Number(a);

document. write(num+10+"<br>");

a=true;

var num=Number(a);

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

var a="99 88";

var num=Number(a);

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

var a="99 88";

var num=parseInt(a);

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

var a="10.33";

var num=parseInt(a);

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

var a="he was 50";

var num=parseInt(a);

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

var a="10.33";

var num=parseFloat(a);

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

var a="99 88";

var num=parseFloat(a);

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

var a="-100";

var num=isFinite(a);

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

var a="hello";

var num=isFinite(a);

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

var a="infinity";

var num=isFinite(a);

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

var a="true";

var num=isFinite(a);

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

var a="-100";

var num=Number.isInteger(a);

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

var a=100;

var num=Number.isInteger(a);

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

var a=true;

var num=Number.isInteger(a);

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

var a=5.56789;

var num=a.toFixed(2);

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

var a=5.56789;

var num=a.toPrecision(2);

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

var a=5.56789;

var num=a.toPrecision(10);

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

Output