They say that the English are good at standing in queues waiting to be served and they don't even have Javascript to control the addition and removal of people from ... Read More

Javascript arrays are flexible and can be used to emulate a variety of different constructs. One common way of storing collections is in a stack. With a stack you add new ... Read More

When is a Javascript object not a Javascript object? When it is a Javascript associative array. Javascript supports two different types of arrays. There is the regular sort of array where ... Read More

The dialog boxes built into JavaScript are best avoided in live web pages Using alert(), confirm(), and prompt() used to be a useful way of interacting with your visitors. Not any ... Read More

You don't always need images to put drawings on your web page. Did you know that you can place animated drawings on your web page using nothing more than a few ... Read More

There are multiple ways of doing the same thing in JavaScript. Some are shorter than others. The difference between crerating JavaScript objects the long way and creating them the short way ... Read More

Which server side process do you want JavaScript to call? There are a number of steps that need to be performed in requesting information from the server using Ajax. In this ... Read More

Now that credit cards are maxed out from paying for gifts for everyone you visitors need a way to work out their repayment schedule. Allow your visitors to calculate how much ... Read More

What coins/notes do I need to use to pay $x.xx in change? JavaScript can give the answer. If you have any sort of JavaScript processing in a form on your ... Read More

One of the most complex HTML constructs is the table How many times have you tried to code a table and then found that your web page is totally stuffed up ... Read More

JavaScript makes calculations based on dates and times easy by providing date objects that supply many of the needed methods. This seventeenth modern JavaScript tutorial introduces you to the easiest way ... Read More

JavaScript functions - a trap for beginners or a powerful feature. Accidentally giving two functions the same name in JavaScript can cause problems for many beginners. Deliberately giving two functions the ... Read More

JavaScript isn't the only thing in a web page. You are probably wondering what an article on validating HTML has to do with JavaScript. Well, a web page doesn't just consist ... Read More

JavaScript can pass requests to the server Some people claim that Ajax is an acronym (standing for "Asyncronous JavaScript and XML"). The person who "invented" the term (but not the technique) ... Read More

Which way around do the getDate and setDate need to go to add to a date? You can perform all sorts of complex manipulations on dates by using the appropriate date ... Read More

Validate dates the easy way with a JavaScript date object. Before you do anything with a date that your visitors have input, you first need to check that it is a ... Read More

JavaScript can put a clock on your web page Lots of people have digital clocks on their web page. With this script you can go one better with an analog clock ... Read More

Text strings are one of the most common pieces of content you will want to work with in JavaScript This sixteenth tutorial on Modern JavaScript looks both at how to define ... Read More

Is there any question JavaScript can't answer? Not necessarily Tuesdays but any day of the week. You know that there are either four or five of a given day of the ... Read More

JavaScript weeks run from Sunday to Saturday When the idea of collecting days into groups of seven and calling them weeks was first though of with each day of the week ... Read More

JavaScript supports most of the constructs available in regular expressions in other languages The series of tutorials on "Regular Expressions" concludes with a complete reference to all of the patterns that ... Read More

When JavaScript doesn't provide a method we can always add it ourselves. One of the benefits of the predefined objects and classes in Javascript is that if they don't provide the ... Read More

There is usually more than one way to achieve the same result in JavaScript There are several ways to determine how many days there are in a given month. Some involve ... Read More

Julian Days now represent a count of the days in over 6720 years). Adding your own methods to the existing JavaScript objects is the easiest way to extend the functionality of ... Read More

JavaScript has two types of objects for processing numbers Numbers are one of the most common types of data that you are likely to want to process using JavaScript. In this ... Read More

You can have more than one Google Map in the same page This nineth tutorial on adding Google Maps to your web page in an unobtrusive way shows you the sort ... Read More

JScript adds all sorts of variables to the global namespace that JavaScript doesn't. Where you make use of the extra variables that JScript creates you end up with code that ... Read More

In JavaScripts, text strings have methods that take regular expressions as parameters Since Regular Expressions are often used to manipulate strings of text there are a number of string methods that ... Read More