標籤：
1、結論
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> div{ width: 200px; height: 200px; padding: 5px; border: 1px red solid; } span{ display: inline-block; width: 50px; height: 50px; background: blue; } </style></head><body> <div class="over"> <span>0</span> </div> <div class="enter"> <span>0</span> </div></body><script src="libs/jquery-1.8.3.min.js"></script><script type="text/javascript"> $(function(){ var x = 0; var y = 0; $(".over").mouseover(function(){ $(this).find("span").text(x+=1); }); $(".enter").mouseenter(function(){ $(this).find("span").text(x+=1); }) })</script></html>
jQuery基礎：mouseeter( ) 與 mouseover( ) 區別
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