Question : js class check if new instance
Answered by : kees-van-beilen
new Date() instanceof Date; // => trueSource : | Last Update : Sat, 18 Apr 20
Question : check object instance javascript
Answered by : amit-rajput
var = ["Apple", "Mango", "Banana"];
console.log(fruits instanceof Array);
console.log(fruits instanceof Object);
console.log(fruits instanceof Number);
console.log(fruits instanceof String);
//Output
true
true
false
falseSource : https://flexiple.com/javascript/instanceof-javascript/ | Last Update : Wed, 19 Jul 23
Question : Check Object Is Instance Of Class
Answered by : eric-tam
class Person { constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } function test() { const p = new Person(); console.log(p instanceof Person); }Source : | Last Update : Mon, 20 Jun 22