exif.js all <img>

<script>
"use strict";
window.onload=getExif;
function getExif() {
    var imgs = document.getElementsByTagName("img");
    for (var i=0; i<imgs.length; i++) {
        let img = imgs[i];
        EXIF.getData(img, function() {
            var meta = EXIF.getAllTags(this);
            img.title = `Artist: ${meta.Artist}
                Camera: ${meta.Model}
                Lens: ${meta.undefined}
                Aperture: f${meta.FNumber}
                Exposure: ${meta.ExposureTime?.numerator}/${meta.ExposureTime?.denominator}
                ISO: ${meta.ISOSpeedRatings}
                ${meta.ImageDescription}`
            .replace(/(\n)\s+/g, "$1");
        });
    }
}
</script>