Transition – WEB programmēšana

CSS transition. Change background color.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        #box1{
            background: #9DCEFF;
            width: 400px;
            height: 200px;
        }
    </style>
</head>
<body>
    <h1>CSS transitions</h1>
    <div id="box1">Content in box 1</div>
    <button onclick="changeBG('box1','#F0F');">Magenta</button>
    <script>
        function changeBG(el, clr){
            var elem = document.getElementById(el);
            elem.style.transition = "background 1.0s linear 0s";
            elem.style.background = clr;
        }
    </script>
</body>
</html>