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<html><head><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script><script>$(document).ready(function(){ $("p").filter(function(){ return $("span", this).length == 2;}).css("background-color", "yellow");});</script></head><body><div> <p>A p element <span>with one span element.</span></p> <p>A p element <span>with</span> two <span>span elements.</span></p> <p>A p element <span>with one span element.</span></p> <p>A p element <span>with</span> two <span>span elements.</span></p> <p>A p element with no span element.</p></div><p>This example returns all p elements that have two span elements. P elements with none, one, or more than two span elements, will not be returned.</p></body></html>