Question

85

How to stop iFrame from reloading

rated 0 times [ 87] [ 2] / answers: 1 / hits: 21771 / 13 Years ago, wed, july 13, 2011, 12:00:00

I am trying to pass a parameter to an iFrame by adding a param in the onload event as below:

<iframe name=myframe src=http://test.com/hello onload= frames['myframe'].location.href='http://test.com/hello?uname='+getUserName();>



</iframe>

(getUserName is my custom function)

But the iFrame keeps loading over and over again. How do I stop this using just javascript (and not any js framework)?

Note:For certain reasons, I can write only inline javascript scripts.

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jonrened

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answered 13 Years ago rossj · Accepted Answer

You can set a global flag (choose an appropriate name that does not collide with any other name):

if (window.frames['myframe'] && !window.userSet){

    window.userSet = true;

    frames['myframe'].location.href='http://test.com/hello?uname='+getUserName();

}

Alternatively you can set a custom attribute to the element:

var userSet = this.getAttribute('data-userset');

if (window.frames['myframe'] && !userSet){

    this.setAttribute('data-userset', 'true');

    frames['myframe'].location.href='http://test.com/hello?uname='+getUserName();

}

Or if you don't have to invoke the event handler later on again, you can remove it:

if (window.frames['myframe']){

    this.onload = null;

    this.setAttribute('onload', '');

    frames['myframe'].location.href='http://test.com/hello?uname='+getUserName();

}

Btw. what do you have the if statement for? I think it will always be true anyway.