Default value for options object in class constructor

Question

I\'ve created a class and I would like to set some default options for values in case the user does not supply any arguments. I recently went from a constructor that took mu

Answer 1

You could either set a default value for options, i.e {}.

class User {
    constructor(options = {}) {
        this.name = options.name || "Joe";
        this.age = options.age || 47;
    }
}

or first check for options to be truthy and then access the value.

class User {
    constructor(options) {
        this.name = options && options.name || "Joe";
        this.age = options && options.age || 47;
    }
}