How to extract only GPS data from EXIF ​​using piexifjs (Node.js) module?

Question

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How to output only GPSLongitude and GPSLatitude from EXIF ​​data to console instead of outputting all EXIF ​​using piexif module?

var piexif = require("piexifjs");
var exifObj = piexif.load('myImage.jpg');
for (var ifd in exifObj) {
    if (ifd == "thumbnail") {
        continue;
    }
        console.log("-" + ifd);
        for (var tag in exifObj[ifd]) {
            console.log("  " + piexif.TAGS[ifd][tag]["name"] + ":" + exifObj[ifd][tag]);
        }
    }

Answer 1

Pick the [ifd][tag] you need.