摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <select id="province" onchange="func1(this)"></select> 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> *{ margin: 0; } #div{ font-size: 50px; text-align: center; l 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .div1{ color: #0000cc; font-size: 20px; } </style></head><bo 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <div id="div1"> </div> <input value="加张图片" id="img" typ 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <div id="div1">博客园</div> <input type="button" value="变大 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> #div1{ height:800px; width: auto; background-color: #204982; 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> #div1{ background-color: #2b99ff; height: 400px; width: 500p 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <div id="div1">HELLO DIV <p>hello p</p> </div><script> 阅读全文
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第一种方法:<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <form onsubmit="return func1()"> // 这里的onsunbmit 阅读全文
摘要：
1,鼠标焦点事件<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <p ondblclick="alert('hello!')">博客园</p> <input 阅读全文