Problem in executing java script function

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Hello
I have an iFrame that I want to set it's height depends on it's content. I have wrote the code and it works fine, but it it will be executed in some runs of my project.

for example if I run my project, the iFrame has the default height, when I refresh the page by pressing (ctrl + F5) the function will be executed and works fine, so the iFrame height will automatically get adjusted based on content.

or I should run the project with FireBug plugin and debug it to works fine.

Do I have some mistake in my function priority?

What I have tried:

my iFrame in my html:

HTML

<iframe src="..." onLoad="ResizeIFrame(this);"></iframe>

in my javascript :

JavaScript

function ResizeIFrame(obj) {
 obj.height = obj.contentWindow.document.body.scrollHeight + 'px';
}

Thanks in Advance
With best Regards

Posted 4-Jan-17 20:23pm

Ali Majed HA

Updated 13-Jan-17 17:24pm

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Comments

Ayodeji Oluwatomiwo 5-Jan-17 5:29am

try getting the control from your javascript function and set the style height to auto.

Bob@work 11-Jan-17 15:31pm

Changing the style of the iframe

obj.style.height = obj.contentWindow.document.body.scrollHeight + 'px';

works in IE11, chrome, and Firefox where changing the object's height attribute does not. Not sure if this will be close enough of a solution, need to check target audiences: safari, mobile browsers, etc, etc.

And changing the style only works with pages from matching sources, otherwise you'll get a security error:

"Blocked a frame with origin "http://localhost" from accessing a frame with origin "http://www.red.com". Protocols, domains, and ports must match."

Ali Majed HA 12-Jan-17 0:36am

Hey Bob, Thanks, but the problem was it gets to work after a page refresh. I Think the problem happens in "onload" attribute of iFrame.

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Ali Majed HA · Accepted Answer · 2017-01-13T17:24:00

I have found the solution:
I have placed the code, in document.ready as in below: