html就是一个网站的框架。css就是网站的皮肤，jS就是网站的血液，单标签是空元素有，例如mete img hr br &n...
256
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <...
159
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/...
142
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN&...
207
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN&...
285
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN&...
168
<!DOCTYPE html><html><head><meta charset="UTF-8"><script src=&q...
177
<!DOCTYPE html> <html> <head> <meta charset=&...
160
<div style= "float:left;">左</div><div style="float:right;">右&l...
136
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>小米商城...
231
<div style="border:1px solid #999;">盒子1</div><div>盒子2</div><div...
129
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/...
150
使用ID获取到要改变的部分使用js代码改变它。
157
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/...
225
<!DOCTYPE html> <html> <head> <meta charset=&...
226
