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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dive.html
The user preferences have been changed. The time has come to see how to convert those recorded changes into visual realities. The process isn’t long, but the details can get a bit sticky. It’s probably obvious by now that the information will come from information stored in a cookie. That extracted information is used in three ways.
As a URL for a background image
As URLs and display text for links
As part of a stylesheet declaration for font family and size
We’ll encounter each use as we go. For now, soak in the code for dive.html, coming right up in Example 7.2.
Example 7-2. dive.html
1 <HTML> 2 <HEAD> 3 <TITLE> 4 Your Take-A-Dive Links Page 5 </TITLE> 6 <SCRIPT LANGAUGE="JavaScript1.2" SRC="cookies.js"></SCRIPT> 7 <SCRIPT LANGUAGE="JavaScript1.2"> 8 <!-- 9 10 var newsNames = new Array(); 11 var indexNames = new Array(); 12 13 function getAttributes() { 14 var htmlStr = GetCookie('htmlPrefs'); 15 if (htmlStr == null) { 16 alert('Welcome. You must first set your user preferences.' + 17 'Please choose OK to load the User Settings page.'); 18 self.location.href = 'prefs.html'; 19 } 20 var htmlArray = htmlStr.split('-->'); 21 for (var i = 0; i < htmlArray.length; i++) { 22 var tagInfo = htmlArray[i].split('='); 23 if (tagInfo[0] != "") { 24 if (tagInfo[0].indexOf('newsNames') == 0) { 25 newsNames[newsNames.length] = tagInfo[1]; 26 } 27 else if (tagInfo[0].indexOf('indexNames') == 0) { 28 indexNames[indexNames.length] = tagInfo[1]; 29 } 30 else { eval(tagInfo[0] + ' = "' ...Become 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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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.
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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.