Technology tips and tricks: Javascript Code

Javascript Code: Live Clock on webpage,display current date and time on webpage free javascript code.

This is a cross browser live clock script. In this script you can configure every aspect , from specifying whether to just display the time, the time plus date, to the clock's font size/color, and more. The ultimate live clock script this is!

Step 1: Add the below code where you wish the clock to appear on the page:

// Set the clock's font size (in point):
 var myfont_size = "10";

// Set the clock's font color:
 var myfont_color = "#000000";
 
 // Set the clock's background color:
 var myback_color = "#FFFFFF";

// Set the text to display before the clock:
 var mypre_text = "The time is: ";

// Set the width of the clock (in pixels):
 var mywidth = 300;

// Display the time in 24 or 12 hour time?
 // 0 = 24, 1 = 12
 var my12_hour = 1;

// How often do you want the clock updated?
 // 0 = Never, 1 = Every Second, 2 = Every Minute
 // If you pick 0 or 2, the seconds will not be displayed
 var myupdate = 1;

// Display the date?
 // 0 = No, 1 = Yes
 var DisplayDate = 0;

/////////////// END CONFIGURATION /////////////////////////
///////////////////////////////////////////////////////////

// Browser detect code
        var ie4=document.all
        var ns4=document.layers
        var ns6=document.getElementById&&!document.all

// Global varibale definitions:

var dn = "";
 var mn = "th";
 var old = "";

// The following arrays contain data which is used in the clock's
// date function. Feel free to change values for Days and Months
// if needed (if you wanted abbreviated names for example).
 var DaysOfWeek = new Array(7);
  DaysOfWeek[0] = "Sunday";
  DaysOfWeek[1] = "Monday";
  DaysOfWeek[2] = "Tuesday";
  DaysOfWeek[3] = "Wednesday";
  DaysOfWeek[4] = "Thursday";
  DaysOfWeek[5] = "Friday";
  DaysOfWeek[6] = "Saturday";

var MonthsOfYear = new Array(12);
  MonthsOfYear[0] = "January";
  MonthsOfYear[1] = "February";
  MonthsOfYear[2] = "March";
  MonthsOfYear[3] = "April";
  MonthsOfYear[4] = "May";
  MonthsOfYear[5] = "June";
  MonthsOfYear[6] = "July";
  MonthsOfYear[7] = "August";
  MonthsOfYear[8] = "September";
  MonthsOfYear[9] = "October";
  MonthsOfYear[10] = "November";
  MonthsOfYear[11] = "December";

// This array controls how often the clock is updated,
// based on your selection in the configuration.
 var ClockUpdate = new Array(3);
  ClockUpdate[0] = 0;
  ClockUpdate[1] = 1000;
  ClockUpdate[2] = 60000;

// For Version 4+ browsers, write the appropriate HTML to the
// page for the clock, otherwise, attempt to write a static
// date to the page.
 if (ie4||ns6) { document.write('<span id="LiveClockIE" style="width:'+mywidth+'px; background-color:'+myback_color+'"></span>'); }
 else if (document.layers) { document.write('<ilayer bgColor="'+myback_color+'" id="ClockPosNS" visibility="hide"><layer width="'+mywidth+'" id="LiveClockNS"></layer></ilayer>'); }
 else { old = "true"; show_clock(); }

// The main part of the script:
 function show_clock() {
  if (old == "die") { return; }
 
 //show clock in NS 4
  if (ns4)
                document.ClockPosNS.visibility="show"
 // Get all our date variables:
  var Digital = new Date();
  var day = Digital.getDay();
  var mday = Digital.getDate();
  var month = Digital.getMonth();
  var hours = Digital.getHours();

var minutes = Digital.getMinutes();
  var seconds = Digital.getSeconds();

// Fix the "mn" variable if needed:
  if (mday == 1) { mn = "st"; }
  else if (mday == 2) { mn = "nd"; }
  else if (mday == 3) { mn = "rd"; }
  else if (mday == 21) { mn = "st"; }
  else if (mday == 22) { mn = "nd"; }
  else if (mday == 23) { mn = "rd"; }
  else if (mday == 31) { mn = "st"; }

// Set up the hours for either 24 or 12 hour display:
  if (my12_hour) {
   dn = "AM";
   if (hours > 12) { dn = "PM"; hours = hours - 12; }
   if (hours == 0) { hours = 12; }
  } else {
   dn = "";
  }
  if (minutes <= 9) { minutes = "0"+minutes; }
  if (seconds <= 9) { seconds = "0"+seconds; }

// This is the actual HTML of the clock. If you're going to play around
 // with this, be careful to keep all your quotations in tact.
  myclock = '';
  myclock += '<font style="color:'+myfont_color+'; font-family:'+myfont_face+'; font-size:'+myfont_size+'pt;">';
  myclock += mypre_text;
  myclock += hours+':'+minutes;
  if ((myupdate < 2) || (myupdate == 0)) { myclock += ':'+seconds; }
  myclock += ' '+dn;
  if (DisplayDate) { myclock += ' on '+DaysOfWeek[day]+', '+mday+mn+' '+MonthsOfYear[month]; }
  myclock += '</font>';

if (old == "true") {
   document.write(myclock);
   old = "die";
   return;
  }

// Write the clock to the layer:
  if (ns4) {
   clockpos = document.ClockPosNS;
   liveclock = clockpos.document.LiveClockNS;
   liveclock.document.write(myclock);
   liveclock.document.close();
  } else if (ie4) {
   LiveClockIE.innerHTML = myclock;
  } else if (ns6){
   document.getElementById("LiveClockIE").innerHTML = myclock;
                }

if (myupdate != 0) { setTimeout("show_clock()",ClockUpdate[myupdate]); }
}
    </script>

Step 2: On Tag onLoad event handler call the show_clock() javascript function:

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