Triggering a jQuery event from iframe

问题:

Here's the scenario, I have events happening from within an iframe and up until now everything is working well. I just ran into the problem where I want to dispatch an event from the iframe to the parent.

I'm using this to trigger the event from the iframe:

$('body', window.parent.document).trigger('eventName');
//and I've also tried
$(window.parent.document).find('body').trigger('eventName');

And then in the parent page I've listening for the event like this:

$('body').bind('eventName', myFunction)

I know the script gets to the trigger because I stuck a console.log before and after the trigger. The iframe is on the same domain so there is no problem there.

I can call a function on the parent page directly like this: window.parent.functionName but I was wondering if this is possible with using using an event based solution.

Solved

@cwolves answer is working great:

parent.$('body').trigger( 'eventName' );

回答1:

If you have jQuery loaded in the parent frame, try:

parent.$('body').trigger( 'eventName' );

If not, try this, I'm not sure if it will work but I just looked at the jQuery source and think it may:

var pBody = $( parent.document.body );
pBody.trigger( 'eventName', pBody.data() );

(And do the same thing when binding eventName) The issue, as far as I can tell, is that jQuery is using the data from the local page, which is causing issues because it looks like it's trying to load data from the other frame. In other words, it's a mess, but there are data params accepted in .bind, .trigger, etc.

回答2:

Try this in the iframe js code

var parentWin = $( window.parent.document.body );
jQuery.event.trigger('eventName', parentWin.data(), parentWin );

回答3:

So this will be the code that lives in your iFrame:

$('#myElem').click(function() {

    window.parent.success_msg();

});

And this code needs to be in the parent window:

window.success_msg = function() {

    // Your code goes here

};

You also need to be running this on a server, either localhost or hosted.