class Tenant {
    constructor(name, start, end) {
        this.tenantName = name;
        this.startDate = new Date(start);
        this.evictionDate = new Date(end);
    }

    getRemainingDays() {
        const today = new Date();
        const remainingTimeInMs = this.evictionDate - today;
        const remainingTimeInDays = remainingTimeInMs / 1000 / 60 / 60 / 24;
        return Math.floor(remainingTimeInDays);
    }
}

const alanTenant = new Tenant('Alan', '2023-01-01', '2023-03-31');
console.log(alanTenant.getRemainingDays());