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Mastering The Arcane Art of JavaScriptmancy - Swetugg Edition

Jaime
February 02, 2016

Mastering The Arcane Art of JavaScriptmancy - Swetugg Edition

For many years has JavaScript been frown upon and look down on by many developers due to its quirky nature, obscure behaviors and many a one WTFs that populate its hairy APIs.

Frown upon no more! For with modern design patterns, libraries, tools and the long awaited JavaScript 6 Harmony (ES6, ES2015) writing JavaScript is now a pleasure.

Join me at the school of JavaScript-mancy as we travel along the modern landscape of writing JavaScript in 2015 and beyond, as we discover the organic evolution of this beautiful language and its thriving ecosystem, and delve in the latest features/spells/incantations of the JavaScript Arcana.

Jaime

February 02, 2016
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  1. JavaScript-Mancy
    Jaime González García
    Active Solution
    Mastering the Arcane Art of

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  2. Jaime Gonzalez

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  3. Jaime Gonzalez
    Enthusiastic Software developer and UX guy! @vintharas
    Work at Active Solution
    as a ninja consultant...
    Blog at barbarianmeetscoding.com

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  4. Jaime Gonzalez
    Enthusiastic Software developer and UX guy! @vintharas
    fantasy
    sci-fi
    drawing
    Malin
    ???
    likes...
    games
    coding

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  46. Use preferably
    function declarations and
    named function expressions

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  50. Barbarian prototype
    Conan
    Red Sonja
    Kull

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  58. Minion.prototype
    toString
    new Minion()
    hp
    name
    Properties shared
    across all minions.
    Use for Methods
    Propeties stored per
    instance.
    Use for data

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  60. Minion
    Wizard
    hp
    name
    toString
    mana
    element
    castsSpells
    toString

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  73. 1999
    https://en.wikipedia.org/wiki/ECMAScript
    2009

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  74. https://en.wikipedia.org/wiki/ECMAScript
    2015
    1999
    2009

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  75. https://en.wikipedia.org/wiki/ECMAScript
    2015
    1999
    2009
    2016

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  84. http://bit.ly/js-this-is-nuts

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  91. fixes the most common
    issues with the this
    keyword !!

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  92. var let const

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  96. Coupon here

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  110. tagName`some template string`

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  112. http://bit.ly/js-es6-hot-round

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  114. Tight coupling
    Single rooted hierarchy
    Types are often too general to map to real problems
    Creates Rigid Taxonomies
    Doesn’t Adapt well to Change

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  115. Minion
    Wizard
    toString
    castsSpells
    toString Thief
    steals
    toString

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  116. Minion
    Wizard
    toString
    castsSpells
    toString Thief
    Bard
    castsSpells
    steals
    playsMusic
    toString
    steals
    toString

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  117. Minion
    Wizard Thief
    Bard
    Minion
    Wizard Thief
    Bard

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  118. Minion
    Wizard Thief
    Bard
    ISpellCaster IStealer

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  119. Favor composition over
    inheritance

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  120. Minion
    Wizard Thief
    Bard
    ISpellCaster IStealer
    SpellCasting SpellCasting Stealing
    Stealing

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  121. Wizard SpellCasting castsSpells
    castsSpells
    var merlin = new Wizard();
    Merlin.castsSpell(lightningBolt);
    spellCasting.castsSpell(lightningBolt);
    ISpellCaster

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  122. Favor composition over
    inheritance

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  127. Wizard Thief Bard
    canCastSpells
    canBeIdenti...
    canSteal
    canBeIdenti...
    canSteal
    canBeIdenti...
    canCastSpells

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  128. Wizard Thief Bard
    canCastSpells
    canBeIdenti...
    canSteal
    canBeIdenti...
    canSteal
    canBeIdenti...
    canCastSpells
    canBePositioned canBePositioned
    canBePositioned

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  133. http://bit.ly/js-subclass-factory
    http://raganwald.com/

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  141. Call N times

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  142. Call once
    Call N times

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  143. Call once
    Maybe
    +
    Call once
    maybe

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  144. Call once
    After
    +
    Call once
    And send
    notification
    Send notif.

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  149. http://www.html5rocks.com/en/tutorials/es6/promises/

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  150. http://www.html5rocks.com/en/tutorials/es6/promises/

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  152. https://jakearchibald.com/2014/es7-async-functions/

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  154. http://www.2ality.com/2014/09/es6-modules-final.html

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  173. Jaime González Garcia
    JavaScript-Mancer Level 60
    Active Solution
    [email protected]
    @vintharas
    www.barbarianmeetscoding.com

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