ignore

ignores the data operation passed as the parameter (the operation will not be saved on the server)

void ignore(function code,object master);

code	function	the data operation on the data of the master component
master	object	the master component, you can refer to it by 'this' inside the function

webix.dp($$("list")).ignore(function(){
    $$("list").add({ value:"New item" });
});