Spread Operator

Spread Operator

ES6 Syntax, Used to copy, extend objects and array.

Spread Array

let frontEnd = ['react'];
let backEnd = ['mongoDB','express','nodejs'];

let mernStack = [...frontEnd, ...backEnd];
console.log(mernStack);

result

["react", "mongoDB", "express", "nodejs"]

Spread Object

let aboutSpreadOperator = {
    id:1,
    title:'Spread Opperator'
    desc: 'ES6 to expand an array or object'
}

let newObject = {...aboutSpreadOperator};
console.log(newObject);