iframe javascript sample

Change iframe src via javascript sample

HTML

<iframe id="MyFrame" src="https://www.nseindia.com/live_market/dynaContent/live_watch/stock_watch/niftyStockWatch.json" width="500" height="50">
    <p>Your browser does not support iframes.</p>
</iframe>
<br/>
<input type="button" value="load frame" onclick="loadFrame();"/>

JavaScript

function loadFrame() {
    var iframe = document.getElementById('MyFrame');
    alert(iframe[0]);
}