× TypeError: Cannot read property 'className' of undefined

[KBiswas98]

176176 | "use strict";
176177 |
176178 | function o(e) {

176179 | return "string" !== typeof e.className ? [] : e.className.split(/\s+/);
| ^ 176180 | }
176181 |
176182 | function i(e, t) {