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JavaScript Concepts Everyone Should Learn!

Spread operator

let data = {
  username: "GauravJ",
  email: "email@gmail.com",
  favLang: "JavaScript",
};

let data_updated = { ...data, favLang: "Java" };

console.log(data_updated);

Destructuring

let data = {
  username: "GauravJ",
  email: "email@gmail.com",
  favLang: "JavaScript",
};

let { username, email, favLang } = data; //Destructuring

 

Async js

Promises and callback

Async-await

Map filter and reduce

Map

Filter

Reduce

Triple equality

Data Structures and Algorithms with JavaScriptDSA with JavaScript
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