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RESILIENCE
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lo
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“Deliver the bits, stupid.”
—David Isenberg
“Rise of the Stupid Network”
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email
gopher
ftp
HTTP
telnet
TCP/IP
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HTTP
WWW
URLs
HTML
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The trick... is to make sure that each
limited mechanical part of the web,
each application, is within itself
composed of simple parts that will
never get too powerful.”
“
—Tim Berners-Lee
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HTTP
WWW
URLs
HTML
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HTML
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HTML tags
21 elements
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HTML 5
121 elements
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show me
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show me
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show me
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hide me
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CSS
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selector {
property: value;
}
OOCSS
SMACSS
BEM
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HTML
CSS
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Be conservative in what you send,
be liberal in what you accept.”
“
—Jon Postel
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HTML
CSS
JavaScript
declarative
imperative
resilient
fragile
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XHTML 2
fragile
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fragile
JavaScript
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Anything that can possibly go wrong,
will go wrong.”
“
—Edward Aloysius Murphy, Jr.
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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layout
@font-face
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ajax
websocket
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CSS filters
file API
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local storage
service
worker
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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“This is too easy.”
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“This is too hard.”
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1. Identify core functionality.
2. Make that functionality
available using the simplest
technology.
3. Enhance!
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developer convenience
user needs
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216 colours
Times New Roman
Arial
Verdana
Netscape 4
IE 6
Windows XP
Android 2.x
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HTTP
WWW
URLs
HTML
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URLs
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RESILIENCE