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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <input type="button" value="前进" onclick="func1();"><inp 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body><p ondblclick="alert(123)">ppppp</p> <input class="keywo 阅读全文
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class <!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> .bigger{ font-size: 34px; } </style></head><body> <div 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <style> #div1{ height: 200px; background-color: #84a42b; } </style>< 阅读全文
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#触发器 #创建基本语法 #插入前CREATE trigger tri_before_insert_tb1 BEFORE INSERT ON tb1 FOR EACH ROWBEGIN ...END #插入后 CREATE TRIGGER tri_after_insert_tb1 AFTER INS 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 class="div2">hello 2</div> <d 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> #div1{ width: 300px; height: 200px; background-color: #84a 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" onclick="func1()">hello world <p cl 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <script> // 创建方式一 var s="hElLlo"; // 创建方式二 var s2=new S 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <script> //方式一// var re_obj=new RegExp("\d+","g"); //执行 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <script> alert(Math.random())//(0,1) 返回 0 ~ 1 之间的随机数。 a 阅读全文
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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title></head><body> <script> var s="hello"; var i=8;// typeof 只能判断基本数据类型; a 阅读全文