将javascript函数结果放置在html标记内

Question

i want to insert return value of a function to a tags attribute value in html

<video width="400" controls="controls">
    <source src="XXXXX" />
</video>


function returnVideoLink() {
    return "aa.mp4";
}

in the above codes i want to get the functions return value in the above video tags src field marked as XXXX

Answer 1

Use this jQuery code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
    function returnVideoLink() {
        return "aa.mp4";
    }

    $(function() {
        var src = returnVideoLink();
        $('source').attr('src', src);
    });
</script>