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Prototyping
in the browser
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“The web application”
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Prototyping
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“Even if your idea is worth stealing,
the hard part is implementing the
idea, not coming up with it.”
— Guy Kawasaki on NDAs, 2008
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Software is hard
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Software is expensive
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Educational
Fast
Cheap
Pick two!
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In the browser
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TOOLS
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HTML
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2000
ENQUIRE
1980
HTML5
Draft
2008
1997 1999 2001
1995
HTML 2.0
HTML 3.2
HTML 4.0
XHTML 1.0
HTML 4.01
XHTML 1.1
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Hello HTML
Hello World!
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Cats
Start tag
Attribute
End tag
Content
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Headline
Hello World
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Semantic mark–up
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Heading1
Heading2
Heading3
Heading4
Heading5
Heading6
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- Item1
- Item2
- Item1
- Item2
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- Term
- Definition
- Cat
- Makes for funny images online
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1
2
1
2
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Presentational mark–up
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bold
italic
centered
font declaration
✕
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Always separate content
and presentation!
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Neutral mark–up
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A block of something
A neutral inline element
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https://developer.mozilla.org/en/HTML
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No content
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Backwards compatible
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Simplified
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Hello HTML
Hello World!
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Hello HTML
Hello World!
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alert("Hello World!");
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alert("Hello World!");
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<link>
<style>
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Re–defined HTML4 elements
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New values and attributes
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New elements
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(New Javascript APIs)
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CSS
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h1 {
font-size: 24px;
}
Selector
Property
Unit
Value
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h1, h2 {
font-size: 24px;
color: red;
}
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a:hover {
text-decoration: underline;
}
Pseudo class
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Usage
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h1, h2 {
font-size: 24px;
color: red;
}
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Headline
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CSS
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Color
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h1, h2 {
opacity: 0.75;
color: rgb(255, 255, 255);
// rgba()
// hsl()
}
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Backgrounds
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div {
background-size: 50px 100px;
}
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div {
background: url(foo.png) top left no-repeat,
url(bar.png) bottom left no-repeat;
}
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Rounded corners
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div {
border-radius: 10px;
}
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Shadows
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div {
box-shadow: 10px 10px 10px #333;
}
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h1 {
text-shadow: 10px 10px 10px #333;
}
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Custom fonts
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@font-face
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Transformations
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div {
transform: rotate(30deg);
transform: scale(0.5, 0.75);
transform: skew(-30deg);
}
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3D Transformations
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http://css3.bradshawenterprises.com/
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Browser prefixes
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div {
-moz-box-shadow: 10px 10px 10px #333;
-webkit-box-shadow: 10px 10px 10px #333;
-o-box-shadow: 10px 10px 10px #333;
-ie-box-shadow: 10px 10px 10px #333;
}
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Javascript
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UTILITIES
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Development console
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No content
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Metalanguages
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HAML
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Hello HTML
Hello World!
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!!! 5
%html
%head
%title Hello HTML
%body
%p Hello World!
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SASS / SCSS
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h1, h2 {
font-size: 24px;
color: red;
}
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h1, h2
font-size: 24px
color: red
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Nesting
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article {
font-size: 1em;
}
article h1 {
font-size: 1.5em;
}
article h1 span {
color: red;
font-weight: bold;
}
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article
font-size: 1em
h1
font-size: 1.5em
span
color: red
font-weight: bold
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Variables
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$headline-highlight: #f00
h1 span
color: $headline-highlight
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Mixins
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=very-important
font-weight: bold
font-size: 24px
color: red
h1
+very-important
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Coffeescript
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Git
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Serve
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Ruby