1 formatter: function(params) { 2 var result = ‘‘; 3 params.forEach(function (item) { 4 result += ‘<span style="display:inline-block;margin-right:5px;border-radius:10px;width:9px;height:9px;background-color:‘ + item.color + ‘"></span>‘; 5 }); 6 7 return result; 8 }
