JFBCodes on Youtube - Jason Fleetwood-Boldt

Thu. May 14th, 2026

Closures are the big finale! #javascripttutorials #javascript #learntocode #closure

Javascript Variables Rule #16

Destructuring unwraps values #javascripttutorials #javascript #learntocode

Javascript Variables Rule #15

Hoisting registers names before execution #javascripttutorials #computerprogrammer #javascript #learntocode

Javascript Variables Rule #14

var is function-scoped — and unsafe #javascripttutorials #javascript #learntocode #var

Javascript Variables Rule #13

Rest parameters collect remaining values in function parameters or assignment #javascripttutorials #javascript #restparams #learntocode

Javascript Variables Rule #12

Scopes are nested inside each other. Inner scopes shadow the bindings of outer scopes. #javascripttutorials #javascript #scope #shadowing #learntocode2026 #learntocode

Javascript Variables Rule #11

let and const are block scoped #javascripttutorials #javascript #let #const #learntocode

Javascript Variables Rule #10

Object.freeze() is shallow #javascript #javascripttutorials #javascripttutorials #computerprogrammer #learntocode

Javascript Variables Rule #9

Copy objects before modifying them #javascript #javascripttutorials #javascripttutorial #copy

Javascrit Variables Rule #8

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