October 1999
Intermediate to advanced
480 pages
14h 47m
English
Content preview from JavaScript Application CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Syntax Breakdown
This application is contained in a frameset with a number of files. Here is a quick rundown:
-
index.html Top level; holds the frameset and top-level variables
-
top.html Displays Select List JavaScript header
-
nav.html Displays the page links
-
background.html Changes background colors
-
multiselect.html Populates one select list based on selections in two others
-
urldirectory.html Loads search engines based on select list option
-
help/background.html Help document associated with
background.html-
help/multiselect.html Help document associated with
multiselect.html-
help/urldirectory.html Help document associated with
urldirectory.html-
help/help.js JavaScript source file.
It’s not likely that you’ll want to get neck-deep into
the logic behind all that that select list functionality in
background.html
,
multiselect.html, and
urldirectory.html. It’s really easy to
pick up, and that isn’t what this chapter is about. Make sure
you at least take a look at repopulating select lists in
multiselect.html, though. It is handy. Instead,
let’s make our way through this in two steps:
Context-sensitive help: loading the right document in the help window (in
nav.html)Showing and hiding the extra information: getting the mouseovers running (in help/help.js )
Context-Sensitive Help
This one is pretty easy. It all happens in
nav.html. Example 11.1 shows the code.
Example 11-1. nav.html
1 <HTML> 2 <HEAD> 3 <TITLE>top.html</TITLE> 4 </HEAD> 5 <STYLE TYPE="text/css"> ...
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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.