jquery select iframe with youtube embed src

问题

If i want to select all youtube iframes via their src how can this be achieved, i have tried the jquery below but it won't work? the embed src is http://www.youtube.com/embed/videoid?rel=0

<script>
$('iframe[src="http://youtube.com/embed/"]')
</script>

回答1:

You need to write src^="..." to find <iframe>s with src that starts with ....

回答2:

First you need to write your script in jquery environment then you can use the attribute form in jquery.

$(document).ready(function(){
    var srcVAlue = $('iframe').attr('src');        
});

来源：https://stackoverflow.com/questions/8205584/jquery-select-iframe-with-youtube-embed-src