max of GroupMethods, Methods Webix Docs

gets the maximum value of a property

number max(string property,object data);

property

stringa data property data

objecta dataset with items of a group

number

maximum value of a property

$$("mychart").group({
    by:"year",
    map:{
        sales:["sales","max"]
    }
});
// displays the maximum "sales" value for each year