Developing with Web Standards

Index

A

abbr element, 38, 172–174

abbt element, 208

absolute positioning

defined, 115, 116, 224

using, 226–227, 231

absolute URLs, 43

accessibility, 157–176. See also ARIA

alt text and, 170

business case for, 158–159

color contrast, 170–171

commitment to, 157–158

forms and, 174–176

goals of, 4

issues for headings, 170

legal framework for, 159

links and titles, 169–170

resetting focus state, 260

SVG and, 371

tables and, 171–174

technologies for, 11

video and audio, 292

W3C’s guidelines for, 159–169

web development with, 12–13

addEventListener method, 141, 142, 146–147

adjacent sibling selectors, 117

Ajax, 154

alt attribute, 49, 170

anchor (a) elements, 41–42, 43

animating SVG images, 372

applet element, 51

applications, 14, 268, 270

ARIA (Accessible ...