Force mobile browser zoom out with Javascript

Question

In my web app, I have some thumbnails that open a lightbox when clicked. On mobile, the thumbnails are small and the user typically zooms in. The problem is that when they c

Answer 1

var zoomreset = function() {
    var viewport = document.querySelector("meta[name='viewport']");
    viewport.content = "width=650, maximum-scale=0.635";
    setTimeout(function() {
        viewport.content = "width=650, maximum-scale=1";
    }, 350);
}
setTimeout(zoomreset, 150);

replace 650 with the width of your page