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specを元にした概念の整理 間違いあったら教えて欲しい CSS 2.1におけるviewport CSS 2.1におけるviewportを説明するにあたり、以下のterminologyが必要となる canvas For instance, user agents rendering to a screen generally impose a minimum width and choose an initial width based on the dimensions of the viewport. viewport User agents for continuous media generally offer users a viewport (a window or other viewing area on the screen) through which users co
How browsers work Stay organized with collections Save and categorize content based on your preferences. Preface This comprehensive primer on the internal operations of WebKit and Gecko is the result of much research done by Israeli developer Tali Garsiel. Over a few years, she reviewed all the published data about browser internals and spent a lot of time reading web browser source code. She wrot
The following tables show which elements individual browsers consider focusable or tabbable (keyboard focusable). The tables are based on the focusable test document. Note that touch devices (without a physical keyboard) only show elements as tabbable (keyboard focusable), that can be navigated to through the on-screen keyboard (or "virtual keyboard"). Document Elements Element Expected Chrome Mic
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