Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers

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TypeScript Fundamentals × Type Narrowing, Guards, and Predicates

Syntax - Tasty Web Development Treats

Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.

<p class="has-line-data" data-line-start="0" data-line-end="1">In this episode of Syntax, Wes and Scott talk through some TypeScript Fundamentals around type narrowing, type guards, and type predicates.</p> <h2 class="code-line" data-line-start="2" data-line-end="3"><a id= "Show_Notes_2" name="Show_Notes_2"></a>Show Notes</h2> <ul> <li class="has-line-data" data-line-start="4" data-line-end="5"> <strong><a href="#t=00:24">00:24</a></strong> Welcome</li> <li class="has-line-data" data-line-start="5" data-line-end="6"> <strong><a href="#t=01:40">01:40</a></strong> Rocking predicates</li> <li class="has-line-data" data-line-start="6" data-line-end="7"> <strong><a href="#t=02:54">02:54</a></strong> What is a type in TypeScript?</li> <li class="has-line-data" data-line-start="7" data-line-end="8"> <strong><a href="#t=04:11">04:11</a></strong> Type Narrowing</li> <li class="has-line-data" data-line-start="8" data-line-end="9"> <strong><a href="#t=08:18">08:18</a></strong> Type Guard</li> <li class="has-line-data" data-line-start="9" data-line-end="11"> <strong><a href="#t=16:19">16:19</a></strong> Type Predicates</li> </ul> <h2 class="code-line" data-line-start="11" data-line-end="12"> <a id="Shameless_Plugs_11" name="Shameless_Plugs_11"></a>Shameless Plugs</h2> <ul> <li class="has-line-data" data-line-start="13" data-line-end="14"> Scott: <a href="https://levelup.video">LevelUp Tutorials</a></li> <li class="has-line-data" data-line-start="14" data-line-end="16"> Wes: <a href="https://wesbos.com/courses">Wes Bos Tutorials</a></li> </ul> <h2 class="code-line" data-line-start="16" data-line-end="17"> <a id="Tweet_us_your_tasty_treats_16" name= "Tweet_us_your_tasty_treats_16"></a>Tweet us your tasty treats</h2> <ul> <li class="has-line-data" data-line-start="18" data-line-end="19"> <a href="https://www.instagram.com/stolinski/">Scott’s Instagram</a></li> <li class="has-line-data" data-line-start="19" data-line-end="20"> <a href= "https://www.instagram.com/LevelUpTutorials/">LevelUpTutorials Instagram</a></li> <li class="has-line-data" data-line-start="20" data-line-end="21"> <a href="https://www.instagram.com/wesbos/">Wes’ Instagram</a></li> <li class="has-line-data" data-line-start="21" data-line-end="22"> <a href="https://twitter.com/wesbos">Wes’ Twitter</a></li> <li class="has-line-data" data-line-start="22" data-line-end="23"> <a href="https://www.facebook.com/wesbos.developer">Wes’ Facebook</a></li> <li class="has-line-data" data-line-start="23" data-line-end="24"> <a href="https://twitter.com/stolinski">Scott’s Twitter</a></li> <li class="has-line-data" data-line-start="24" data-line-end="25"> Make sure to include <a href= "https://twitter.com/SyntaxFM">@SyntaxFM</a> in your tweets</li> </ul>

In this episode of Syntax, Wes and Scott talk through some TypeScript Fundamentals around type narrowing, type guards, and type predicates.
 Show Notes  00:24 Welcome
 01:40 Rocking predicates
 02:54 What is a type in TypeScript?
 04:11 Type Narrowing
 08:18 Type Guard
 16:19 Type Predicates
  Shameless Plugs  Scott: LevelUp Tutorials

 Wes: Wes Bos Tutorials

  Tweet us your tasty treats  Scott’s Instagram

 LevelUpTutorials Instagram

 Wes’ Instagram

 Wes’ Twitter

 Wes’ Facebook

 Scott’s Twitter

 Make sure to include @SyntaxFM in your tweets

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TypeScript Fundamentals × Type Narrowing, Guards, and Predicates

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