JavaScript Concepts Everyone Should Learn!

JavaScript Concepts Everyone Should Learn!

September 10, 2021
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

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