Get value of id using jQuery

I'm attempting to create a GreaseMonkey script that will return the value of id in the following html:
<div class="foo">
                <div class="bar" id="random1234"></div>
</div>

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In the above example random1234 would be returned.
TomAsked:
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Mukesh YadavFull Stack DeveloperCommented:
Try this ;)
<script>
$(function(){
  console.log($('div.foo div.bar').attr('id'));
});
</script>

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TomAuthor Commented:
Excellent!
0
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