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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Executing a Function on Mouseenter Event in jQuery</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <style> p{ padding: 20px; font: 20px sans-serif; background: #f2f2f2; } p.highlight{ background: yellow; } </style> <script> $(document).ready(function(){ $("p").mouseenter(function(){ $(this).addClass("highlight"); }); $("p").mouseleave(function(){ $(this).removeClass("highlight"); }); }); </script> </head> <body> <p>Place mouse pointer on me.</p> <p>Place mouse pointer on me.</p> <p>Place mouse pointer on me.</p> </body> </html>