JavaScript: this is it
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JavaScript: this is it
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What about arrow functions?
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JavaScript: this is it
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Table of contents
JavaScript: this is it
by
Delicious Insights
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Before we start…
Before we start…
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All videos in one download
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All videos in one download
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All code examples in one download
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All code examples in one download
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The Great Misunderstanding
The Great Misunderstanding
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Intro
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Intro
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Methods or functions? References and first-class functions
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Methods or functions? References and first-class functions
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How do I know what this is?
How do I know what this is?
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The golden rule
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The golden rule
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this is defined at call-time
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this is defined at call-time
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What about outside the golden rule?
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What about outside the golden rule?
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Common API behaviors
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Common API behaviors
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What about arrow functions?
What about arrow functions?
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Reminders on arrow functions
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Reminders on arrow functions
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Execution context
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Execution context
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Lexical resolution
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Lexical resolution
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Arrow functions are not a silver bullet!
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Arrow functions are not a silver bullet!
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Explicitly specifying this
Explicitly specifying this
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Functions are objects
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Functions are objects
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call()
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call()
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apply()
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apply()
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Ensuring a given this
Ensuring a given this
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bind()
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bind()
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Re-implementing bind()
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Re-implementing bind()
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Re-implementing bind(): visual run-through
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Re-implementing bind(): visual run-through
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The binding operator
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The binding operator
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Explicit guarantee in the constructor
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Explicit guarantee in the constructor
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Implicit guarantee by field initializer + arrow function
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Implicit guarantee by field initializer + arrow function
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Explicit guarantee by decorator
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Explicit guarantee by decorator
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Want more video courses?
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Want more video courses?
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Further reading…
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Further reading…
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