Untitled

<body>
     <div id="outer-div" class="interested-style">
     <div id="loaded-control-1">
          <div class="interested-style"></div>
     </div>
     <div id="loaded-control-2">
          <div class="interested-style"></div>
     </div>
     <div id="loaded-control-3">
          <div class="interested-style"></div>
     </div>
</body>

$('.interested-style')

var dynamic-script = loadSection('some-section-name');
var modified-jQuery = getModifiedjQuery('loaded-control-2');

(function()
{
    eval(dynamic-script);
})(modified-jQuery);

$('.loaded-control-X .interested-style')

$('.loaded-control-X > .interested-style')

$('.loaded-control-2 .intereted-style').someFunction()

// normal select
$('#some-object');

// You can limit scope of jQuery selector like this
$('#some-object', '#scope-object');