OOP · medium

24. extends & super

Subclass an existing class.

Given `class Wallet { constructor(addr) { this.addr = addr; } }`, write `class HotWallet extends Wallet` that also sets `this.online = true`.

Required in your answer: extends Walletsuper(

Runs in a sandboxed worker

class Wallet { constructor(addr) { this.addr = addr; } }

// TODO class HotWallet extends Wallet

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