U

Index

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<u> tag 2nd
<ul> tag 2nd 3rd
     type attributes and
     unordered lists
Ultimate Web Host List (website)
underlined text, <u> tag
underscore (_) 2nd
unhighlight() function
Unicode
unicode-bidi property (CSS)
uniform resource locators (URLs) [See URLs (uniform resource locators), definition of.]
unit attribute (embed tag)
unit measurements (CSS)
     <absolute-size>
     <angle>
     <border-style>
     <border-width>
     <color>
     <family-name>
     <frequency>
     <generic-family>
     <generic-voice>
     <integer>
     <length>
     length units
     <number>
     overview
     <percentage>
     percentage units
     <relative-size>
     <shape>
     <specific-voice>
     <time>
     <uri>
units attribute (<embed> tag)
UNIX, conventions of
unordered lists
     creating 2nd
     customizing
     overview
unselectable attribute (<embed> tag)
unset() function
uri (<uri>) unit measurements
URLs (uniform resource locators)
     adding to web pages
     anatomy of, overview
     CSS and
         using URLs
     definition of
     directories, overview
     escape codes
     exercises 2nd
     file:, anatomy of
     ftp: [See also FTP (File Transfer Protocol).]
     hostnames
     http: [See also HTTP (Hypertext Transfer Protocol).]
     mailto:, anatomy of
     news: [See also newsgroups, accessing.]
     overview
     protocols, overview
     Q&A
     quizzes 2nd
     special characters
urlsubstitute attribute (QuickTime)
usemap attribute
     <img> tag 2nd
     <input> tag
     <object> tag
Usenet newsgroups [See newsgroups, accessing.]
user experience levels, considering when designing web pages
user preferences
     designing web pages
     determining when designing web pages
user-defined functions, PHP
     returning values
users, redirecting