[blocked] Access to geolocation was blocked over insecure connection to

function getLocation1() {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(showPosition);
    } else { 
        alert("Geolocation is not supported by this browser.");
    }
}

function showPosition(position) {
    alert("Latitude: " + position.coords.latitude + 
    "<br>Longitude: " + position.coords.longitude);
}