HTML Dialog Tag

HTML <dialog> tag is used to create a new popup dialog on a web page. This tag represents a dialog box or other interactive component like window.

The <dialog> element uses a boolean attribute called open that activate element and facilitate user to interact with it.

HTML dialog is a new tag introduced in HTML5.

HTML dialog tag example

<div>  
<dialog id="myFirstDialog" style="width:50%;background-color:#F4FFEF;border:1px dotted black;">  
<p><q>I am so clever that sometimes I don't understand a single word of what I am saying.   
</q> - <cite>Oscar Wilde</cite></p>  
<button id="hide">Close</button>  
</dialog>  
<button id="show">Show Dialog</button>  
</div>  
  
<!-- JavaScript to provide the "Show/Close" functionality -->  
<script type="text/JavaScript">  
(function() {    
    var dialog = document.getElementById('myFirstDialog');    
    document.getElementById('show').onclick = function() {    
        dialog.show();    
    };    
    document.getElementById('hide').onclick = function() {    
        dialog.close();    
    };    
})();   
</script>

HTML dialog tag also supports global and event attributes in HTML.