August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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@_mac
JScript3.0+Syntax
@_mac
Description
The @_mac variable is used in conditional compilation to determine if an Apple Macintosh system is being used. When the variable is not true, it is defined as NaN.
Example
Listing 9.5 alerts the user when an Apple Macintosh system is used.
Listing 9.5 Detect an Apple Macintosh System
<script language="JScript">
<!-- Hide
@if (@_mac)
alert("You are using an Apple Macintosh system.");
@else
alert("You are NOT using an Apple Macintosh system.");
@end
//Hide End -->
</script>
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.