jQuery fadeTo()

jQuery fadeTo() method is used to adjust the opacity of the matched element.

Below the syntax of jquery fadeTo() method

.fadeTo(duration[,opacity][,complete])

    • duration (default: 400)
    • Type: Number or String
    • A string or number determining how long the animation will run.

    • opacity (default: swing)
    • Type: String
    • A number between 0 and 1 denoting the target opacity.

    • complete
    • Type: Function()
    • A function to call once the animation is complete.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery fadeTo()</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
  $("#fadeto").click(function() {
     $("p").fadeTo("slow", 0.5);
  });
});
</script>
</head>
<body>
 <p>jQuery is a lightweight, "write less, do more", JavaScript library. This tutorial will help you to learn jQuery selectors, effects, traversing, animation, attributes and more. The purpose of jQuery is to make it much easier to use JavaScript on your website. It is free, open-source software using the permissive MIT License. jQuery also simplifies a lot of the complicated things from JavaScript, like AJAX calls and DOM manipulation..</p>
<button class="btn" id="fadeto">fadeTo</button>
 </body>
</html>