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Asked: 2026-06-10T10:03:12+00:00

There is a simple HTML page, named say abc.html. Now abc.html has a button

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There is a simple HTML page, named say abc.html. Now abc.html has a button named say ‘click me’. This page, abc.html, also has an iframe, with an id say ‘myframe’.

Now what i want is that when the button, ‘click me’, is clicked an alert box should come up inside the iframe named ‘myframe’. How can i do this?

I have tried the following..

window.frames[0].contentWindow.alert("this is the iframe");

but this does not seem to work. Please let me knwo why does this not work and what could be an alternate solution.

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1 Answer

  1. Editorial Team

    ContentWindow is derived from document, not window.

    What you will want to do is add the alert into a function on the iframe page, then use document.getElementById('targetFrame').contentWindow.targetFunction(); to call it, (using targetFunction as example). This answer may give you further information on techniques.

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