今天是开班的第一天，同学和老师都作了自我介绍。
下午自习，看了点js，研究了一个javascript图片库案例。
代码：
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> 5 <title>网页标题</title> 6 <meta name="keywords" content="关键字列表" /> 7 <meta name="description" content="网页描述" /> 8 <link rel="stylesheet" type="text/css" href="" /> 9 <style type="text/css"></style> 10 <script type="text/javascript"></script> 11 </head> 12 <body> 13 <h1>Photos</h1> 14 <ul> 15 <li> 16 <a href = "../images/mayday/12.jpg" title = "mayday12" onclick ="showPic(this);mayday();return false;">mayday12</a> 17 </li> 18 <li> 19 <a href = "../images/mayday/13.jpg" title = "mayday13" onclick = "showPic(this);return false;">mayday13</a> 20 </li> 21 <li> 22 <a href = "../images/mayday/14.jpg" title = "mayday14" onclick = "showPic(this);return false;">mayday14</a> 23 </li> 24 <li> 25 <a href = "../images/mayday/15.jpg" title = "mayday15" onclick = "showPic(this);return false;">mayday15</a> 26 </li> 27 </ul> 28 <p id = "description">啦啦啦啦啦</p> 29 <a href = "http://www.example.com/" class = "mayday";>打开一个新窗口</a> 30 <img id = "placeholder" src ="../images/mayday/5.jpeg" title = "mayday5" alt = "mayday5"/> 31 </body> 32 <script> 33 // var placeholder = document.getElementById("placeholder"); 34 // var img_src = placeholder.getAttribute("src"); 35 // img_src.setAttribute("src","../images/mayday/12.jpg"); 36 // function photoPic(placeholder){ 37 // 38 // } 39 function showPic(whichpic){ 40 // var whichpic = document.getElementsByTagName("a"); 41 var source = whichpic.getAttribute("href"); 42 var placeholder = document.getElementById("placeholder"); 43 placeholder.setAttribute("src",source); 44 45 var text = whichpic.getAttribute("title"); 46 var description = document.getElementById("description"); 47 description.firstChild.nodeValue = text; 48 49 50 } 51 // function countBodyChildren(){ 52 // var body_element = document.getElementsByTagName("body")[0]; 53 // alert(body_element.childNodes.length); 54 // 55 // 56 // } 57 // window.onload = countBodyChildren; 58 // event = "javascript statements();" 59 function mayday(winURL){ 60 window.open(winURL,"may","width = 550px,height = 550px"); 61 } 62 </script> 63 </html>
效果：
原文：http://www.cnblogs.com/jiangyujing/p/6095660.html