JSFiddle - React, Tailwind, and code Playground

JavaScript

var str = "test@test.com;test.test1@test.com;test@yahoo.co.in;test1.test2@support.yahoo.com";

var newstr = str.split(";");

for(i=0; i<newstr.length; i++) {
    document.write(newstr[i]+"<br/>");
}