JS in echarts multiple line chart numbers *100 strange appearing decimal

Formatter:function (params){//Data Unit formatting                               varRelval =params[0].name;//x-axis name                                for(vari =0, L =params. length; I < L; i++) {                                    if(params[I].value] {Relval+='<br/>'+params[I].seriesname +' : '+ (params[i].value*100+"%"; }} console.log (params)                               returnRelval; }

This kind of formatter in the data format will appear strange, similar to the problem of 50.000001%

The solution is to cut

For example slice (2,4) Slice the first parameter at the beginning of the cut, the second parameter is cut to the number of a,

Code submission:

Formatterfunction(params) {//Data Unit formatting                               varRelval = Params[0].name;//x-axis name                                for(vari = 0, L = params.length; I < L; i++) {                                    if(params[i].value) {Relval+ = ' <br/> ' + params[i].seriesname + ': ' + (String (params[i].value)). Slice (2,4) + "%"; }} console.log (params)returnRelval; }

JS in echarts multiple line chart numbers *100 strange appearing decimal