Auto open

The EnableAutoOpen property is used to open the Dialog box on initial loading. The default value is false.

HTML

<div id="alertdlg" data-role="ejmdialog" data-ej-title="Low Battery" data-ej-mode="alert"
        data-ej-leftbuttoncaption="Dismiss" data-ej-enablemodal="true" data-ej-enableautoopen="true"
        data-ej-buttontap="alertClose">
        <div>
            10% of battery remaining
        </div>
    </div>
    <div style="text-align: center">
        <input data-role="ejmbutton" data-ej-text="Click here to open dialog" type="button" data-ej-touchend="openAlertDialog" id="btn1" />
    </div>

JS

function alertClose(args) {
            $("#alertdlg").ejmDialog("close");
        }
        function openAlertDialog(args) {
            $("#alertdlg").ejmDialog("open");
        }