Why my message not send in this app

Question

https://code.sololearn.com/We8HqMk4S5QU/?ref=app

Answer 1

innerHTML, see 'HTML' is all caps, js is case sensitive.. so change "innerHtml" to "innerHTML"

Answer 2

line no 32
.innerHTML += html

Answer 3

Coder
Arb Rahim Badsa
Namit Jain

Answer 4

Coder Bhai pheli samasya thik Ho gyi

Answer 5

Мг. Кнап🌠 what should I add