Set Javascript variable as PHP variable

Question

Hai I want to set javascript variable (getdate1) as PHP variable to compare the dates with database value to display event details. I attached the attachement of how alert box will work.

        var getdate1 = document.getElementById("eventDayName").innerHTML = selectedDate.toLocaleString("en-US", {
            month: "long",
            day: "numeric",
            year: "numeric"
        }); 

        alert(getdate1); 

Answer 1

HTML: <input type='hidden' id='myDate' name='myDate'> JS: document.getElementById('myDate').value = getDate1; PHP: $date = $_POST['myDate'];

Explanation: Make a hidden html element. Set its value with javascript. Get its value with PHP.