<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
#clients_img_container {
background: darkgray;
}
#clients_img_container img {
max-width: 90px;
margin: 35px 20px;
transition: all ease 200ms;
border-radius: 3px;
opacity: 0.6;
}
</style>
<body>
<div id="clients_img_container">
<img src="./assets/usp_customer_logos/Kamakshi Hospital.jpg" alt="">
<img src="./assets/usp_customer_logos/Bank-of-Baroda.jpg" alt="">
<img src="./assets/usp_customer_logos/Brigade_Group.jpg" alt="">
<img src="./assets/usp_customer_logos/goodearth.jpg" alt="">
<img src="./assets/usp_customer_logos/ISKCON.jpg" alt="">
<img src="./assets/usp_customer_logos/L&T.jpg" alt="">
<img src="./assets/usp_customer_logos/download.png" alt="">
<img src="./assets/usp_customer_logos/Zuri.jpg" alt="">
<img src="./assets/usp_customer_logos/RV Institutions.jpg" alt="">
<img src="./assets/usp_customer_logos/The-Tamara-Resorts.jpg" alt="">
<img src="./assets/usp_customer_logos/Leela.jpg" alt="">
<img src="./assets/usp_customer_logos/Vidyasholp.jpg" alt="">
</div>
<script src="./main.js"></script>
</body>
</html>
main.js
const customer_logos = document.querySelectorAll("#clients_img_container img");
const num_logos = customer_logos.length;
let previous_highlighted_index = 0;
function toggle_highlight() {
console.log("unhighlight prev one...");
// unhighlight previous one
customer_logos[previous_highlighted_index].style.opacity = "";
customer_logos[previous_highlighted_index].style.transform = "";
// select random index to highlight
let random_logo_index = Math.floor(Math.random() * num_logos);
console.log("highlight new one...");
// highlight new one
customer_logos[random_logo_index].style.opacity = "1";
customer_logos[random_logo_index].style.transform = "scale(1.2)";
previous_highlighted = random_logo_index;
}
setInterval(toggle_highlight, 2000);
When the interval kicks off, the styles are being added as intended but it’s not being removed in the next call. Could someone explain why that’s the case?