macwel / ekz Goto Github PK

<script>

    const validate = dateString => {
        
        const day = (new Date(dateString)).getDate();
        for(){
            arr = ['dateString'=='2021-07-05']
            if()
        }
        if (dateString=='2021-07-05' || dateString=='2021-07-06' || dateString=='2021-07-07' || day==6) {
            return false;
        }
        return true;
    }

    // Sets the value to '' in case of an invalid date
    document.querySelector('input').onchange = evt => {

        if (!validate(evt.target.value)) {
            evt.target.value = '';
        }
    }
</script>