1 <!doctype html>
2 <html lang="zh">
3 <head>
4 <meta charset="UTF-8">
5 <title>1 2 3</title>
6 <style>
7 body{
8 margin:0;
9 padding:0;
10 }
11 #wrap{
12 display:flex;height:200px;
13 }
14 #d1,#d2,#d3 { color:#fff; text-align:center;}
15 #d1{ width:140px; background:#FF6994; flex-shrink:0;}
16 #d2{ width:233px; background:#FF9B69; flex-shrink:0;}
17 #d3{ flex-grow:1; background:#69ADFF;}
18 </style>
19 </head>
20 <!--
21 div3栏布局,左边和中间固定宽度,右边自适应怎么弄,求助
22 http://www.oschina.net/question/1053665_223874
23 -->
24 <body>
25 <div id="wrap">
26 <div id="d1">我是定宽´ ▽ ` )ノ</div>
27 <div id="d2">我也是定宽呢╮( ̄▽ ̄)╭</div>
28 <div id="d3">我是自适应的(ˊ_>ˋ)</div>
29 </div>
30 </body>
31 </html>
32
33
34 ie不兼容placeholder是的hacker
35 $('#check').focus(function() {
36 var val = $(this).val();
37 if(val=='如不愿透漏姓名,可留下姓氏,方便我们联系'){$(this).val('');$(this).css('color','#000');
38 }
39 }).blur(function() {
40 var val = $(this).val();
41 if(val==''){ $(this).val('如不愿透漏姓名,可留下姓氏,方便我们联系');
42 $(this).css('color','#aaa');
43 }
44 });