August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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@_alpha
JScript3.0+Syntax
@_alpha
Description
The @_alpha variable is used in conditional compilation to determine if a DEC Alpha processor is being used. When the variable is not true, it is defined as NaN.
Example
Listing 9.1 alerts the user when a DEC Alpha processor is used.
Listing 9.1 Detect a DEC Alpha Processor
<script language="JScript">
<!-- Hide
@if (@_alpha)
alert("You are using a DEC Alpha processor.");
@else
alert("You are NOT using a DEC Alpha processor.");
@end
//Hide End -->
</script>
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.