The reposity contains excercises and resources focusing on the core concepts of JavaScript a.k.a ECMAScript
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Basic: FreeCodeCamp JavaScript Alogorithms and Data structures
- Great place to start learning JavaScript by doing excercises.
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Advanced: Deep JavaScript Foundationsv3 by Kyle Simpson
- Goes deeper into explaining the JavaScript core concepts. Kyle Simpson is the author of popular JavaScript book "You don't know JS" book series.
- I never understood JavaScript closures
- Understanding This, Bind, Call, and Apply in JavaScript
- JavaScript: What the heck is a Callback?
- JavaScript Promises: An introduction
- REPL : Online JS Executor
- JavaScript RunJS : JavaScript Offline REPL
- JsBin : Fast frontend output
- jsPerf : JavaScript performance playground
- Regular Expressions 101 : Online Regex Evaluator