Favicon Logo

How i can change Logo Knack in Browser and Logo when i add my apps to homepage smartphone?

Cipto - copy and paste this in  you JS

 

(function() {
var link = document.querySelector("link[rel*='icon']")|| document.createElement('link');
link.type = 'image/x-icon';
link.rel = 'shortcut icon';
link.href = 'EXAMPLEURL.png'; // << paste the URL of your picture in there
document.getElementsByTagName('head')[0].appendChild(link);
})();
 
if you need help implementing send me an email avdataco@gmail.com

I don't understand the section "link.href = 'XXX'; // path to your icon"