The following example demonstrates how to set readonly in DatePicker component.
You can achieve this by using readonly property.
var datepicker = new ej.calendars.DatePicker({
placeholder: 'Choose a date',
// sets the readonly.
readonly:true,
// sets the value.
value:new Date()
});
datepicker.appendTo('#element');<!DOCTYPE html><html lang="en"><head>
<title>Essential JS 2 DatePicker control</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="styles.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet">
<link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-calendars/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/21.1.35/dist/ej2.min.js" type="text/javascript"></script>
</head>
<body>
<div id="container">
<input id="element" type="text">
</div>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>