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Fix TypeError: undefined is not an object

This commit is contained in:
Lyubo Marinov 2017-02-27 22:33:27 -06:00
parent 72c267fbf3
commit e1056126e6
1 changed files with 12 additions and 7 deletions
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19
modules/UI/side_pannels/chat/Chat.js
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@ -164,9 +164,7 @@ function resizeChatConversation() {
* @param id {string} input id
*/
function deferredFocus(id){
setTimeout(function (){
$(`#${id}`).focus();
}, 400);
setTimeout(() => $(`#${id}`).focus(), 400);
}
/**
* Chat related user interface.
@ -353,10 +351,17 @@ var Chat = {
* Scrolls chat to the bottom.
*/
scrollChatToBottom () {
setTimeout(function () {
$('#chatconversation').scrollTop(
$('#chatconversation')[0].scrollHeight);
}, 5);
setTimeout(
() => {
const chatconversation = $('#chatconversation');
// XXX Prevent TypeError: undefined is not an object when the
// Web browser does not support WebRTC (yet).
chatconversation.length > 0
&& chatconversation.scrollTop(
chatconversation[0].scrollHeight);
},
5);
}
};