$(() => {
let seconds = 10;
let inProgress = false;
let intervalId;
const progressBarStatus = $('#progressBarStatus').dxProgressBar({
min: 0,
max: 100,
width: '90%',
statusFormat(value) {
return `Loading: ${value * 100}%`;
},
onComplete(e) {
inProgress = false;
progressButton.option('text', 'Restart progress');
e.element.addClass('complete');
},
}).dxProgressBar('instance');
const progressButton = $('#progress-button').dxButton({
text: 'Start progress',
width: 200,
onClick() {
$('#progressBarStatus').removeClass('complete');
if (inProgress) {
progressButton.option('text', 'Continue progress');
clearInterval(intervalId);
} else {
progressButton.option('text', 'Stop progress');
setCurrentStatus();
intervalId = setInterval(timer, 1000);
}
inProgress = !inProgress;
},
}).dxButton('instance');
function setCurrentStatus() {
progressBarStatus.option('value', (10 - seconds) * 10);
$('#timer').text((`0${seconds}`).slice(-2));
}
function timer() {
seconds -= 1;
setCurrentStatus();
if (seconds === 0) {
clearInterval(intervalId);
seconds = 10;
}
}
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.3/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/22.1.3/js/dx.all.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div class="form">
<div id="progress-button"></div>
<div class="progress-info"> Time left 00:00:<span id="timer">10</span> </div>
<div id="progress"><div id="progressBarStatus"></div></div>
</div>
</div>
</body>
</html>
.form {
padding: 20% 0;
text-align: center;
}
#progress-button {
margin-bottom: 20px;
}
#progressBarStatus {
display: inline-block;
}
.complete .dx-progressbar-range {
background-color: green;
}