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Optional vs Undefined // Advanced TypeScript
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A common TypeScript question is, Is there a difference between an optional member vs a union with undefined.
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And the answer is yes, there is a behaviour difference between the two is what we will cover in this lesson along with guidance on when to use which syntax 🌹
Additional Resources
🏷 #basarat #5MinutesOrLess #TypeScript #JavaScript #Tutorial #AdvancedTypeScript
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I'm Basarat, and I love helping developers. More about me:
Microsoft MVP for TypeScript
200K contributions on Stackoverflow. Top Contributor for TypeScript.
Book Author: Beginning NodeJS
Book Author: TypeScript Deep Dive
Creator of multiple hot ✨ed Github Open Source projects
🚥 Professional Courses
And the answer is yes, there is a behaviour difference between the two is what we will cover in this lesson along with guidance on when to use which syntax 🌹
Additional Resources
🏷 #basarat #5MinutesOrLess #TypeScript #JavaScript #Tutorial #AdvancedTypeScript
👇 ❤️ Subscribe for MOORE ❤️ 👇
**Feel Free To Read This Lot**
I'm Basarat, and I love helping developers. More about me:
Microsoft MVP for TypeScript
200K contributions on Stackoverflow. Top Contributor for TypeScript.
Book Author: Beginning NodeJS
Book Author: TypeScript Deep Dive
Creator of multiple hot ✨ed Github Open Source projects
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