JavaScript String() Function

var x1 = Boolean(0);
var x2 = Boolean(1);
var x3 = new Date();
var x4 = "12345";
var x5 = 12345;

var res =
String(x1) + "<br>" +
String(x2) + "<br>" +
String(x3) + "<br>" +
String(x4) + "<br>" +
String(x5);