<!DOCTYPE html><html><head> <title>聊天窗口</title> <style type="t...
225
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>&l...
184
<!doctype html><html> <head> <meta charset="UTF-8">&nbs...
182
<!doctype html><html> <head> <meta charset="UTF-8">&nbs...
218
<html lang="en"> <head> <meta charset="UTF-8" />...
208
<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
286
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <...
208
dom：HTML DOM ，文檔對象模型（Document Object Model）的簡稱，當(dāng)網(wǎng)頁被加載時(shí)，瀏覽器就會創(chuàng)建頁面的文檔對象模型。通常，通過 JavaScript，我們需要操作 HTML...
419
<!DOCTYPE html> <html> <head> <title>使用css選擇器來獲取元素</title> </...
326
<!DOCTYPE html> <html> <head>...
276
<!DOCTYPE html><html><head> <title>DOM</title></head><body>...
256
<!DOCTYPE html><html><head> <meta charset="UTF-8"> <...
264
<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
272
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> ...
347
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>we...
165
