<!doctype html><html><head><meta charset="utf-8"><title>全选或反...
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<!DOCTYPE html> <html> <head> <title>下滑线跟随导航</title> <meta&nbs...
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<!DOCTYPE html><html><head> <title>下滑线跟随导航</title> <script type=&qu...
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<!DOCTYPE html> <html> <head> <title>document</title> <meta&nb...
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<!DOCTYPE html> <html> <head> <meta charset=&...
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<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
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<!doctype html> <html> <head> <meta charset="utf-8"> <...
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选择器 例如$('div')操作元素例如$('div').hide();事件例如页面加载完成：$(document).ready(function(){ &n...
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<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
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<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
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<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
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第一个变量var lang='javascript';console.log(lang); ...
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<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title>...
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
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<!DOCTYPE html><html><head> <title>获取随机色</title> <script type="...
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