Wyświetlanie i ukrywanie div o klasie toggleMsg po kliknięciu na inny obiekt poprzez dodawanie i usuwanie klasy
<!DOCTYPE html>
<html lang="pl">
<head>
<meta charset="UTF-8">
<title>Page Title</title>
<meta name="viewport" content="width=device-width,initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<div class="row tg">
<div class="col-md-6 toggleClick">Click to show the message 1</div>
<div class="col-md-6 toggleMsg d-none">The message 1</div>
</div>
<div class="row tg">
<div class="col-md-6 toggleClick">Click to show the message 1</div>
<div class="col-md-6 toggleMsg d-none">The message 2</div>
</div>
</div>
<script type="text/javascript" src="main.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>
</body>
</html>
.tg div:first-child{
padding: 10px;
margin-bottom: 10px;
border: 1px solid #44aaaa;
}
.tg div:last-child{
padding: 10px;
margin-bottom: 10px;
border: 1px solid #584dee;
}
let toggleItems = document.getElementsByClassName("toggleClick");
for(let i=0;i<toggleItems.length;i++){
toggleItems[i].addEventListener("click", openHide);
}
function openHide(){
let msg = this.parentNode.getElementsByClassName("toggleMsg")[0];
if(msg.classList.contains("d-none")){
msg.classList.remove("d-none");
this.textContent = "Click to hide";
}else{
msg.classList += " d-none";
this.textContent = "Click to show the message";
}
}