script.js

window.addEventListener("load", function(){
    setTimeout(
        function open(event){
            document.querySelector(".popup").style.display = "block";
        },
        1000
    )
});


document.querySelector("#close").addEventListener("click", function(){
    document.querySelector(".popup").style.display = "none";
});

// ----------upload image------
function previewImage() {
    var input = document.getElementById('imageInput');
    var preview = document.getElementById('previewImage');

    var file = input.files[0];

    if (file) {
        var reader = new FileReader();

        reader.onload = function (e) {
            preview.src = e.target.result;
            imageview.textContent="";
            imageview.style.border=0;
        };
        
        reader.readAsDataURL(file);
}
}