Syntax
Date.prototype.property
Date.prototype.method
The prototype property allows you to add new properties and methods to the Date object that can be used throughout your code.
<html>
<script>
<!--
function getDayString()
{
var day
switch(this.getDay())
{
case 0:
day="Sunday";
break;
case 1:
day="Monday";
break;
case 2:
day="Tuesday";
break;
case 3:
day="Wednesday";
break;
case 4:
day="Thursday";
break;
case 5:
day="Friday";
break;
case 6:
day="Saturday";
break;
default:
day="Invalid day";
}
return(day);
}
//Make the getDayString function available to all Date objects
Date.prototype.getDayString = getDayString;
var currentDate = new Date();
document.write("<h2>Today is ",currentDate.getDayString(),"</h2>");
-->
</script>
</html>
| 12.25.prototype |
| 12.25.1. | Date.prototype |