How to use

append

function

in

Array

Update(name, value, id) {
  let newScores = this.state.leaderboardData30;
  newScores.append({id: id, name: name, points: value});

   this.setState({
    leaderboardData30: newScores
   });
  }

this.setState( (prevState) => ({
   messages: GiftedChat.append(prevState.messages, _messages)
  }));

ce.append(Array.convert(clone.getElementsByTagName('*')));
te.append(Array.convert(this.getElementsByTagName('*')));

messages: GiftedChat.append(messages, newMessages),
messages: GiftedChat.append(messages, event.messages),