-
Hyper Text Markup Language
-
<img src="" alt=""/>
is ok,<img src="" alt="">
(bonus point for no/
) (width, height, title optional) -
<!-- This is a comment -->
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<dl><dt></dt><dd></dd></dl>
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Block elements
<h1>, <p>, <ul>, <table>
, Inline elements<b>, <td>, <a>, <img>
-
-
%21
-
MP4, WebM, ogg.
-
Trick question, they all are.
-
#FF0000
,#F00
,red
-
margin: 50px 0;
-
text-transform: uppercase;
-
* { box-sizing: border-box }
-
The last one, as the others won't work.
-
Trick question again, all of them are.
-
Add an underscore
_
to the start.
div.logo {
background: url("logo.png") no-repeat;
@include image-2x("logo2x.png", 100px, 25px);
}
float: left;
margin: 10px auto;
padding: 20px;
width: 100px;
height: 50px;
background: #000;
.ir {
background-color: transparent;
border: 0;
overflow: hidden;
}
.ir:before {
content: "";
display: block;
width: 0;
height: 150%;
}
-
false, true, true, false, true, false, false, true
-
124, 93
-
TypeError
-
Number, String, Logical(Boolean), null, undefined
-
\u0008
-
a, d, e.
-
Not A Number.
-
xob, xob, xox, xox.
-
LiveScript
-
04/12/1995
-
It allows you to download Chrome, Firefox, Opera etc..
-
Mosaic(1993), Netscape(1994), IE(1995), Opera(1996), Firefox(2004), Safari(2003), Chrome(2008)
-
Windows:
F12
,Ctrl
+Shift
+I
Mac:Cmd
+Opt
+I
-
Shift
+?
-
Yes.
-
Jeffrey Zeldman
-
John Resig
-
Steve Souders
-
Sir Timothy John "Tim" Berners-Lee
-
Matt Mullenweg and Mike Little