How difficult something is to learn depends on what you already know and how similar the new thing is to what you know.
The Purpose of Functions
Reasons to Avoid Noscript
The noscript tag is long past its use by date.
An IE7 bug?
IE7 incorrectly maps function calls to the wrong code for buttons.
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When to use Noscript
Just how useful is the noscript tag and when should you use it?
What 'structures' are used in structured programming?
Julian DayJulian Day
What is a Julian Day?
PERL and PHP
Not everything can be done on your visitor's computer. When you need your programs to run on the web server you need a server side language such as PERL or PHP.
Universal Co-ordinated Time (UTC)
Universal co-ordinated time is the new name for Greenwich mean time.