.then does not exist on type void error. Help!

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1

So I found this piece of code online however when I copied it into my website it just never works and I keep getting this error. Any help will be appreciated.

exportfunctionloginButton_click (event) {
// user is logged in
if (wixUsers.currentUser.loggedIn) {
// log the user out
wixUsers.logout()
.then( () => {
// update buttons accordingly
$w(“#loginButton”).label = “Login”;
$w(“#profileButton”).hide(); } );
}

2

see https://www.wix.com/velo/reference/wix-users/logout

especially the line :

“This function does not return anything.”
so get rid of the .then.

3 
export function loginButton_click(event) {  //<---MISSING spaces between export function
// user is logged in
if(wixUsers.currentUser.loggedIn) { 
// log the user out    
wixUsers.logout()       
.then( () => {   //<---------------------------------REMOVE this whole line
// update buttons accordingly        
$w("#loginButton").label = "Login";         
$w("#profileButton").hide();    
 } );   //<---------------------------------REMOVE this as well, now it won't wait for the promise!
 }

COREECTED:

export function loginButton_click(event) {
 // user is logged in
 if(wixUsers.currentUser.loggedIn) { 
   // log the user out    
   wixUsers.logout()       
   whole line
   // update buttons accordingly        
   $w("#loginButton").label = "Login";         
   $w("#profileButton").hide();
}

you found this answer most likely because you are trying to complete the following tutorial on YouTube by Wix Training Academy:
https://www.youtube .com/watch?v=dGZkTZYtFQs

You can help me by dropping a like a question and referencing me to answer it on stack exchange: https://www.stackoverflow .com/questions/ask

.then(() => {

    //SO I CAN ANSWER IT!
    @Chef_Code 

    //I WILL I PROMISE!
    return 
    https://www.stackoverflow .com/users/4799827/chef-code        
});