实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
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</script>
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<script>
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$(document).ready(function(){
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  $("p").mouseenter(function(){
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    $("p").css("background-color","yellow");
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  });
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  $("p").mouseleave(function(){
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    $("p").css("background-color","lightgray");
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  });
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  $("#btn1").click(function(){
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    $("p").mouseenter();
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  });
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  $("#btn2").click(function(){
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    $("p").mouseleave();
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  });
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});
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</script>
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</head>
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<body>
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​
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<p>This is a paragraph.</p>
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<button id="btn1">Trigger mouseenter event</button><br>
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<button id="btn2">Trigger mouseleave event</button>
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​
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</body>
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</html>