Calling an overridden static method from parent

Question

First, some code to set the stage:

var instances = [];

class Parent {
    static doImportantStuff() {
        console.log( \'Parent doing important stuff\' );
          


        

Answer 1

If you don't want to call

Child1.doImportantStuff();

in Parent, but rather dynamically invoke the overridden static method, you can do:

this.constructor.doImportantStuff();

This also works for setters and in the constructor of the parent class:

class Parent {
    static get foo() {
        // Throw an error to indicate that this is an abstract method.
        throw new TypeError('This method should be overridden by inheriting classes.');
    }

    constructor() {
        console.log(this.constructor.foo);
    }

    logFoo() {
        console.log(this.constructor.foo);
    }
}

class Child extends Parent {
    static get foo() {
        return 'yay';
    }
}

const child = new Child(); // Prints 'yay'
child.logFoo(); // Prints 'yay'