How Echart4 implements another array of tooltip (not associated with X or Y axis)

in my echart4, the X axis is the project name, and the Y axis is the value, BAR type. I want to implement that when moving to the project to which the corresponding X axis belongs, the prompt (tooltip) displayed is the project number. Different items have different numbers. This item number does not appear in the X-axis classification. Is a completely separate field. May I ask how to achieve it? I have looked up a lot of information on the Internet, all according to different categories, the definition of tooltip format.

Html
Jun.06,2021

refer to the example of tooltip.formatter 's documentation, 

   formatter: function (params, ticket, callback) {
   // $.get('detail?name=' + params.name, function (content) {
   //    callback(ticket, ticket);
   // });
    return  JSON.stringify (params);
tooltip:{
    formatter:params => {
        //params 
        
        return '';  //  
    }
}

but this is multiple data, if your echarts chart shows the trend of one of the factors in multiple projects

Previous: The direction of constructor in js inheritance

Next: Quartz JOB performs an abnormal retry

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
© 2021 CodesHelper
Advertising Contact us About us
Menu