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LEAN
FRONTEND
DEVELOPMENT
23.04.2015 – FEVR
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ABOUT US
1 year BF ( before FEVR)
Matteo Guidotto
Full Stack Developer / Sometimes Project Manager
@ Intesys
Marco Solazzi
Full Stack Developer with attitudes for Frontend Development
@ Intesys
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Matteo Guidotto - @j8matteo
Digital Project Manager @ True Blue
TEDxVerona Co-organizer
www.matteoguidotto.com
proudly father of FEVR
Marco Solazzi - @dwightjack
Frontend Developer @ AQuést
JavaScript Otaku github.
com/dwightjack/
proudly father of FEVR
ABOUT US
1 year AF ( after FEVR)
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WE WERE WEBMASTER
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OUR WORKFLOW
WASN’T SO SEXY
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WE ARE FRONTEND
DEVELOPERS
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WE NEED TO BE LEAN
WE NEED TO BE STRONG
WE NEED TO BE AGILE
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PLAN
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GET OUT OF
NEVERENDING
SOFTWARE
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CHOOSE RIGHT WEAPON
FOR YOUR WAR
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UNICORN TECHNOLOGY
DOESN’T EXIST
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DON’T USE ANGULAR FOR
EVERYTHING
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DEFINE
USER AND BUYER
PERSONAS
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DEFINE
USER AND BUYER
PERSONAS
DEVICES
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DEVICE CENTERED
DEVELOPMENT
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BUDGETING ACTIVITIES
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TRY
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FEATURE’S DESIGN
TO
REAL STUFF
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MINIMUM
VIABLE
PRODUCT
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MINIMUM
VIABLE
PRODUCT
CODE
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“ MVC: UNPOLISHED, BAREBONE,
TESTABLE, FAILABLE PIECE OF
SOFTWARE ”
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YOUR FEATURE DESIGN IS
AN ASSUMPTION
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“ANIMATED FONT SIZE ON A
VERTICALLY DISTRIBUTED FULL
HEIGHT LIST…”
display: table?
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TRY IT OUT!
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Do or do not...
there is no try
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Do or do not...
there is no try
He didn’t know
CodePen
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CLUNKY!
http://codepen.io/dwightjack/pen/ogwQKz
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“LET’S TRY OUT flexbox”
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http://codepen.io/dwightjack/pen/azwPzv
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YOUR PREJUDICES ARE
ASSUMPTIONS TOO!
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“JS NATIVE METHODS
JUST ROCK”
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http://jsperf.com/native-vs-for-loops
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COOL / SOLID OPTIONS
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ADVANTAGES:
• WON’T CLUTTER YOUR CODEBASE WITH TEST CODE
• CLEAN / SANBOXED ENVIRONMENT IN NO TIME
• SHARE AND TEST ON MULTIPLE BROWSERS/DEVICES
• GREAT FOR PROTOTYPING
• WIDE SUPPORT FOR YOUR PREFERRED STACK
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TEST PASSED!
LET’S GET REAL
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BUILD
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“THERE’S NO BIG
SOFTWARE
JUST BIG MISTAKES”
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“Everything is
acompound thing”
First Modular Development
Master in history
“Everything is a compound
thing”
First Modular Development
Master in History
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WHY MODULAR
DEVELOPMENT:
SIMPLICITY
ENCAPSULATION
SEPARATION OF CONCERNS
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PICK YOUR FLAVORS
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FULL STACK
FRONTEND
DEVELOPERS?
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CROSSFUNCTIONAL
FRONTEND TEAMS
Semantics + Accessibility
(HTML + ARIA)
Presentation
(CSS)
Interactivity
(JavaScript / BaaS APIs)
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BROWSERS ALREADY
DO THAT
input[type=”date”]::-webkit-datetime-edit-month-field {
color: #bada55;
}
document.querySelector(‘input[type=”date”]’).checkValidity();
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“WE NEED TO OUTPUT
15 PAGE TEMPLATES”
- a random PM
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STYLEGUIDE DRIVEN
DEVELOPMENT
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http://rizzo.lonelyplanet.com/styleguide/ui-components/buttons
http://rizzo.lonelyplanet.com/styleguide/ui-components/buttons
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ADVANTAGES:
• shared knowledge base (with teammates and
customers)
• every module state and variation is clearly visible
• code snippets (how to implement) and visual
output (how it looks)
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Outdated
Inaccurate
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LIVING STYLEGUIDES
/* ==========================================================================
Media Object
====
```
```
========================================================================== */
Media Title
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
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LIVING STYLEGUIDES
/* ==========================================================================
Media Object
====
```
```
========================================================================== */
Media Title
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
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COOL / SOLID OPTIONS
http://www.smashingmagazine.com/2015/04/13/an-in-depth-overview-of-living-style-guide-tools/
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CHECK
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KITCHEN ISN’T A 3DMAX
RENDER
WEBSITE ISN’T A PSD
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CHECK IS LEARNING
DO IT TOGETHER
NOT ONE vs ONE
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CODE SHOULD BE
BEAUTIFUL TOO
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COOL / SOLID OPTIONS
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CODE SHOULD BE
REUSABLE
MODULAR
COMMENTED
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CODEREVIEW AS
RETROSPECTIVE
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ITERATE
ALL THE TIME
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IT’S NOT A GUIDE
IT’S A FRAMEWORK
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GET OUT OF
DELIVERY OBSESSION
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IT’S A
DECLARATION OF
INDEPENDENCE
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THANKS
23.04.2015 – FEVR