To show selected state on initial render, checked
property should to added to the corresponding
input element.
The following example illustrates how to show selected state on initial render.
<!DOCTYPE html>
<html lang="en">
<head>
<title>EJ2 Button-Group</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="Typescript UI Controls" />
<meta name="author" content="Syncfusion" />
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet" />
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/styles/material.css" rel="stylesheet" />
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/styles/material.css" rel="stylesheet" />
<link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-splitbuttons/styles/material.css" rel="stylesheet" />
<link href="styles.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
<script src="systemjs.config.js"></script>
</head>
<body>
<div id='loader'>LOADING....</div>
<div id='container'>
<div class='e-btn-group'>
<input type="checkbox" id="checkbold" name="font" value="bold" checked/>
<label class="e-btn" for="checkbold">Bold</label>
<input type="checkbox" id="checkitalic" name="font" value="italic" />
<label class="e-btn" for="checkitalic">Italic</label>
<input type="checkbox" id="checkline" name="font" value="underline"/>
<label class="e-btn" for="checkline">Underline</label>
</div>
</div>
</body>
</html>
#container {
visibility: hidden;
}
#loader {
color: #008cff;
height: 40px;
left: 45%;
position: absolute;
top: 45%;
width: 30%;
}
.e-btn-group {
margin: 25px 5px 20px 20px;
}