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Krijn Hoetmer ~ Freelance web developer
abbr and/or acronym?<abbr> for Internet Explorerselect box doesn't have an accesskey<button> as submit buttons<!-- Some comments are weird science in Gecko --><!--[if lt IE 6]>Conditional comments to target IE<![endif]--><!--[if !IE]><!-->Conditional comments to target anything but IE<!--<![endif]-->utf-8?<STRONG>case</strong> of tags change the <em>filesize</EM>?id="tags" is considered harmful!<input type="image"> is pretty useless sometimes<isindex>?<a name="foo"> to jump to a section, but id'salt attribute?<meta name="description"> indexed?http-equiv and a real HTTP header<meta name="keywords"> indexed?<object> to display an image and provide alternative marked up content#fragment #identifier in Opera, when using Apache MultiViews<select multiple[="multiple"]> or a list with <input type="checkbox">s?­ and how do search engines index it?iframe elements again?<b> & <i> aren't deprecated, <u> istarget attribute in a strict DOCTYPE<thead> and <tfoot> rendered when printed?.htaccess<canvas> test<datalist><!DOCTYPE HTML>) and the rendering mode it triggerstype attribute for input elementsget_headers()text/plain and text/html mails, using multipart/alternativehtmlspecialchars() thingyutf-8a[href]:hover:active be used?@page rulebackground-attachment and scrolling speedrgba() and a hack for IEbackground-position have a funny way of calculating:before & :afterinput with only a border on the bottom could be handy for printable formsborder can have four different border-colorsclear behavior in Geckotable version for comparison)> selector in Internet Explorerclear: both;margins.or.multi-class.selectors)direction and unicode-bidi to swap wordsdisplay: inline-block; doesn't work too great cross browser:first-letter & inline|block:first-letter & the selector subjectfont propertiestext-transform: lowercase; and font-variant: small-caps; is buggy in IEcolor, sort of :)form layouts:hover:after { content: '\A bar'; } seems to crash Safari 1.3 and 2:hover in Internet Explorera:hover * { visibility: visible; } has a bug in Internet Explorer 6!important rule<li>'s inline, without extra spaceline-height thingylinks to stylesheets a title?min-height in Internet Explorer<span>Semantics</span>, <span>why</span>?outline property, looks like borderoverflow: auto;position: fixed; in Internet Explorer::selection selector and some applicable propertieslegend elementmeter elementempty-cells property and some JavaScript for Internet Explorertable-layout property, using fixed and widthtext-decoration: underline; for some anchorstext-overflow to create nice effects…text-shadow and an alternative method.highlight:after { content: url('javascript:window.focus();'); } for Opera Chat?text-decoration and color togethervertical-align & line-height to vertically center a piece of textbuttons in Explorer?word-wrap: break-word;z-index examplez-index example, which provides problems with the stacking contextelement.getAttribute('attr') and element.attrif (object) and if (object())onchange or onclick?.innerHTMLdefer do?document.compatMode to get the page rendering modeonselectionchange event and the clipboardData objectinclude() construct/function work in JavaScriptinput and use window.opener to fill the controlJSONRequest() become available?div scroll simultaneouslymatchMedia<script type="text/foobarscript">JavaScript and its MIME type(s)</script>number_format() in JavaScripteval()onload event isn't triggered if the page loading is canceledonmouseover eventpreviousSibling meets whitespacescrollIntoView()?!select box with some fluffy optionsonchange event of a select boxalign="char"defaultValue property of an input with onfocus and onblurtext-shadow in CSS doesn't work too well, this doesn't either :)classesXMLHttpRequest to check links on page loadXMLHttpRequest to fetch next and previous items (known to some as AJAX)