date.js

这是《JavaScript学习源代码》一书的源代码

// create an array of day names
var days = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");		   

// create an array of month names
var months = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");

var now = new Date();        // create a new Date object
var yy = now.getYear();                  // get the year
if(yy < 2000) yy += 1900;	// adjust year for Netscape
var mm = now.getMonth();         // get the month number
mm = months[mm];	     // convert month number to name
var dd = now.getDate();   // get day number in the month
var dy = now.getDay();     // get day number in the week
dy = days[dy];		       // convert day number to name

// display the extracted date and date information
alert( dy +" "+ mm +" "+ dd +" "+ yy );