javascript class inheritance
// Class Inheritance in JavaScript
class Mammal {
constructor(name) {
this.name = name;
}
eats() {
return `${this.name} eats Food`;
}
}
class Dog extends Mammal {
constructor(name, owner) {
super(name);
this.owner = owner;
}
eats() {
return `${this.name} eats Chicken`;
}
}
let myDog = new Dog("Spot", "John");
console.log(myDog.eats()); // Spot eats chickenget all the child of the same class javascript
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}Copyright © 2021 Codeinu
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