<div id="demo">Hello</div>
<script type="text/javascript"
    src="/dist/??seajs/1.1.9/sea.js,jquery/1.7.2/jquery.js"
    >
</script>
<script type="text/javascript">
    seajs.config({
        alias: {
            'jquery': '1.7.2'
        }
    })
    seajs.use('jquery', function($) {
        console.log($('#demo').text());
    });
</script>