<!DOCTYPE html> <html> <head> <meta charset="UTF-8"&g...
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var num,total,bt,m; window.onload = function ( ) { num = document.getElementById("...
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か瘾公子:<!DOCTYPE html><html dir="ltr"> <head> <...
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in常用于where表达式中，其作用是查询某个范围内的数据。用法：select * from where field in (value1,value2,value3,…)示例：查...
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微博输入数字小功能 <!DOCTYPE html> <html lang="en"> <head> <meta&nbs...
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<!DOCTYPE html><html dir="ltr"> <head> <meta ...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>chan...
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"&g...
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<!DOCMENT TYPE> <head> <title>课后练习-jQuery获取随机色</ti...
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js 实现全选小功能 <!DOCTYPE html> <html lang="en"> <head> <m...
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<!DOCTYPE html><html><head><meta charset="utf-8"><title>全选框&...
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<!DOCTYPE html> <html> <head> <title>js改变DIV样式<title> <meta&nb...
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改变元素的宽 高 背景颜色 重置 隐藏 显示 <!DOCTYPE html> <htm...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>js全选...
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笔记:选择DOM的方法1.id:getElementById('id名')2.class:getElementsByClass('class名')3.tagname:g...
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