Javascript To Change Metadata / Metatags Dynamically

Question

I'll describe what I'm trying to accomplish and if it seems that my method is dumb please feel free to let me know:

I have a page with a video gallery and a flash video player iframe. When the user clicks on a video thumbnail, it starts to play in the frame.

Users can also go to the page with a specific video loaded into the iframe by appending the filepath to the end of the url - blabla.com/videogallery?videofilepath. I set this up so that videos could be shared easily.

I want to be able to add Share buttons for facebook/twitter, but I cannot get them to work and present themselves properly with the correct metadata (image and title).

So I was thinking of putting the Share buttons in the player iframe as well and then update the metadata tags dynamically when a video change occurs, but am unsure as to how to go about this.

Any help would be much appreciated, thanks.

Answer 1

You wanna do something like this in the code for jQuery

$(document).ready(function(){
    $('title').text("Your new title tag here");
    $('meta[name=description]').attr('content', 'new Meta Description here');
});