const defaultlocation = [33.0753768,54.1657872];

const defaultzoom = 12;

var map = L.map('map').setView(defaultlocation,defaultzoom);

     L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {

        maxZoom: 19,

        attribution: '7learn; 7Map',

        tilesize:512,

        zoomoffset:-1

    }).addTo(map);

    document.getElementById('map').style.setProperty('height'.window.innerHeight + 'px');

    // set view in map

    // var marker = L.marker([50.5, 30.5]).addTo(map);

    // marker.bindPopup("7learn office 1 ").openPopup();

    setTimeout(function() {

    map.setView([31.0753768,51.1657872],defaultzoom);

}, 2000);