+ fetch(BASE_URL + 'api/installation2.php', {
+ method:'POST',
+ headers: {'Content-Type':'application/x-www-form-urlencoded'},
+ body: 'method=rpc&'+
+ 'host='+encodeURIComponent(rpc_host.value)+
+ '&port='+encodeURIComponent(rpc_port.value)+
+ '&user='+encodeURIComponent(rpc_user.value)+
+ '&password='+encodeURIComponent(rpc_pass.value)+
+ '&tls_verify='+rpc_tls.checked
+ })