Sets steam badge

change_steam_badge.js

function change(token, v){
    // @token is the steam access token. you can send a dummy change badge request to find this
    // @v is protobuf encoded. ex: EAF=, or {"2":1}
    // if you want to have no steam badge shown, pass it as "EAA=", which decodes to {"2":0}
    
    let f = new FormData();
    f.append("input_protobuf_encoded", v);

    return fetch("https://api.steampowered.com/IPlayerService/SetFavoriteBadge/v1?access_token="+token, {
        method:"POST",
        mode:"no-cors",
        body: f
    })
}