JSFiddle - React, Tailwind, and code Playground
JavaScript
var error = {"Username cannot be empty", "Password cannot be empty"};
$.each(error, function(key, index) {
alert(key);
alert(index);
});
var error = {"Username cannot be empty", "Password cannot be empty"};
$.each(error, function(key, index) {
alert(key);
alert(index);
});