How to do sorting array object es6
To sort objects by its vale
const arr = [ {name:"abc", price: 5},
{name:"pqr", price: 3},
{name:"mno", price: 2}
];
const result = arr.sort((a,b) => a.price-b.price );
Check the existence of a key in JavaScript Object
How to check the existence of a key in JavaScript Object const myObj = { a: 1, b: 2}; We need to check whether I’d exist in object or not! const result = myObj.hasOwnProperty('id'); // false Or const result = 'id' in myObj; // false Or const result = myObj.id !== undefined; // false
Comments