index.html: <!DOCTYPE html> <html lang="en"> <head> <title&...
373
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
378
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
278
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"&...
531
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
231
<!DOCTYPE html> <html lang="en"> <head> &nbs...
372
<!DOCTYPE html> <html lang="en"> <head> &nbs...
564
<!DOCTYPE html> <html lang="en"> <head> &nbs...
276
总结:这个案例很简单,但是骨架都有。简单易懂,截图:代码:<!DOCTYPE html><html lang="en"><head><me...
430
通过id获取元素 document.getElemtById(' id ')通过标签获取元素  ...
431
<!DOCTYPE html><html><head> <title>全选</title> <style type="tex...
306
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"&...
406
<!DOCTYPE html> <html lang="en"> <head> &nbs...
288
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"&...
355
<!doctype html><html> <head>  ...
355