window.onload = function () {
const viewModel = {
boxOptions1: {
direction: 'row',
width: '100%',
height: 75,
},
boxOptions2: {
direction: 'row',
width: '100%',
height: 75,
align: 'center',
crossAlign: 'center',
},
boxOptions3: {
direction: 'col',
width: '100%',
height: 250,
},
boxOptions4: {
direction: 'row',
width: '100%',
height: 125,
},
};
ko.applyBindings(viewModel, document.getElementById('container'));
};
<!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>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.2.3/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/22.2.3/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 id="container">
<div data-bind="dxBox: boxOptions1">
<div class="rect demo-dark" data-options="dxItem: {ratio: 1}">
ratio = 1
</div>
<div class="rect demo-light" data-options="dxItem: {ratio: 2}">
ratio = 2
</div>
<div class="rect demo-dark" data-options="dxItem: {ratio: 1}">
ratio = 1
</div>
</div>
<br>
<div data-bind="dxBox: boxOptions1">
<div class="rect demo-dark" data-options="dxItem: {ratio: 0, baseSize: 150}">
150px
</div>
<div class="demo-light" data-options="dxItem: {ratio: 1}">
<div data-bind="dxBox: $parent.boxOptions2">
<div data-options="dxItem: {ratio: 0, baseSize: 50}">
<div class="small" ></div>
</div>
<div data-options="dxItem: {ratio: 0, baseSize: 50}">
<div class="small" ></div>
</div>
<div data-options="dxItem: {ratio: 0, baseSize: 50}">
<div class="small" ></div>
</div>
</div>
</div>
<div class="rect demo-dark" data-options="dxItem: {ratio: 0, baseSize: '10%'}">
10%
</div>
</div>
<br>
<div id="box3" data-bind="dxBox: boxOptions3">
<div class="rect demo-dark header" data-options="dxItem: {ratio: 1}">
Header
</div>
<div data-options="dxItem: {ratio: 2, baseSize: 0}">
<div data-bind="dxBox: $parent.boxOptions4">
<div class="rect demo-dark" data-options="dxItem: {ratio: 1}">
Left Bar
</div>
<div class="rect demo-light" data-options="dxItem: {ratio: 1}">
Content
</div>
<div class="rect demo-dark" data-options="dxItem: {ratio: 1}">
Right Bar
</div>
</div>
</div>
<div class="rect demo-dark footer" data-options="dxItem: {ratio: 1}">
Footer
</div>
</div>
</div>
</div>
</body>
</html>
.rect {
text-align: center;
font-size: 30px;
padding-top: 10px;
height: 100%;
}
.demo-light {
background: rgba(245, 229, 166, 0.5);
}
.demo-dark {
background: rgba(148, 215, 199, 0.5);
}
.demo-dark.header {
background: rgba(243, 158, 108, 0.5);
}
.demo-dark.footer {
background: rgba(123, 155, 207, 0.5);
}
.small {
height: 50px;
border: 1px solid lightgray;
}