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1 <?xml version="1.0" encoding="UTF-8" ?> 2 <students> 3 <student number="itcast_0001"> 4 <!--<name id="itcast">tom</name>--> 5 <name id="itcast"> 6 < 阅读全文
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1 <?xml version="1.0" encoding="UTF-8" ?> 2 <students> 3 <student number="itcast_0001"> 4 <!--<name id="itcast">tom</name>--> 5 <name id="itcast"> 6 < 阅读全文
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DTD --> XML 1 <!ELEMENT students (student*) > <!--*表示可以出现无限次--> 2 <!ELEMENT student (name,age,sex)> <!--严格属性顺序：name,age,sex--> 3 <!ELEMENT name (#PCDA 阅读全文
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1 <?xml version="1.0" encoding="utf-8" standalone="yes" ?> 2 <!--<?xml-stylesheet type="text/css" href="a.css" ?>--> 3 4 <users> 5 <user id='1'> 6 <na 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 <meta http-equiv="X-UA-Compatible" content="IE=edge"> 阅读全文
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3_Bootstrap_CSS全局样式_按钮图片 1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>3_Bootstrap_CSS全局样式</title> 6 7 <meta http-eq 阅读全文
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https://v3.bootcss.com/css/ https://v3.bootcss.com/components/ https://v3.bootcss.com/javascript/ https://www.runoob.com/bootstrap/bootstrap-tutorial. 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 7 <style> 8 table{ 9 border: 1px solid; 10 width: 500p 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 7 <script> 8 /*//1.失去焦点事件 9 document.getElementById("u 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 </head> 7 <body> 8 <div id="div1"> 9 div 10 </div> 11 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 7 <style> 8 table{ 9 border: 1px solid; 10 margin: aut 阅读全文
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核心DOM对象Document 1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 </head> 7 <body> 8 <div id="div1">div1 阅读全文
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1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 7 <script> 8 /*//警告弹出框 9 alert("hello window"); 10 win 阅读全文