Kod JavaScript dla przerwy linii po przecinku
var test = list.toString();
// console.log("test", test)
let dataToArray = test.split(',').map(item => item.trim());
//convert array to string replacing comma with new line
console.log(dataToArray.join("<br />"))
this.data[i].zoneAdd = dataToArray.join("<br />")
Mohan Eswar