1οΈβ£ Switch Statement
Finds the matching value of an expression and executes the code block associated with the matching value.
2οΈβ£ Ternary Operator
Checks a condition and executes the first expression if the condition is true. Otherwise it runs the second expression.
3οΈβ£ Jump / Dispatch Table
Stores value-function pairs in an object to quickly fetch and run a function based on a value (which is treated as an object key).
4οΈβ£ Dynamic Dispatch
This pattern involves selecting which polymorphic method to call based on an objectβs type.
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π40β€10π1π1
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π29β€9π₯9
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Learning the JavaScript Language
π Author: Joe Chellman
π° Level: Beginner
β° Duration: 4h 7m
π Topics: JavaScript
π€ Join Learn JavaScript for more courses
π Gain a conversant understanding of JavaScript, including variables, types, objects, arrays, operators, control structures, loops, and functions.
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π19β€17
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I know I know, you probably won't ever need to swap two variables. But this is a cool demonstration for how the destructuring assignment works in JavaScript.
This syntax is used to take an array or items in the right hand side and assign them to correspondingly positioned variables in the left hand side.
π We use that here to assign b to a, and a to b.
This syntax is used to take an array or items in the right hand side and assign them to correspondingly positioned variables in the left hand side.
π We use that here to assign b to a, and a to b.
π40β€6
Josh notes that in order to truly understand promises, a fundamental part of modern JS development, we need βa surprisingly deep understanding of how JavaScript works and what its limitations areβ. Luckily, this tutorial covers all the critical context you need.
π Link to the article
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WebSockets Beginners Tutorial with Socket.IO
Learn how to implement WebSockets with Socket.IO. WebSockets provide a way for a web browser and a server to communicate with each other continuously without having to close the connection after each exchange. This makes it ideal for real-time applications, like live chat or gaming, where you need quick back-and-forth communication.
Learn how to implement WebSockets with Socket.IO. WebSockets provide a way for a web browser and a server to communicate with each other continuously without having to close the connection after each exchange. This makes it ideal for real-time applications, like live chat or gaming, where you need quick back-and-forth communication.
β€17π9π2
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