摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> .show2{ width:400px; height:200px; overflow:hidden; } spa 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> body{margin: 0;padding: 0;} div{ width: 500px;height: 300 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> .show2{ width:400px; height:200px; overflow:hidden; } spa 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <input type="text" id="txt"> <button id="btn">搜索</bu 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <div id="show"></div> <button id="btn">↓</button> <b 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <script> function max(a,b){ //取最大值 if(a>b){return a; 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <script> function jx(n){ var s=1; for(var i=1;i<n;i+ 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <ul id="ul"> <li> <h3></h3> <ul id="sulblist1" style 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title></head><body> <input type="text" id="p"> <span id="txt"></span> <s 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> table tr td{width: 100px;height: 50px;} table tr td input 阅读全文