此錯誤信息無法讀取的不確定
財產「標題」當我用posts.forEach遍歷它工作得很好。但是 與for循環一起使用時停止工作。 你能幫忙嗎?
這是我的代碼
<section class="forum">
<ul class="pages">
<% for (var i = 1; i <= Math.ceil(posts.length/3); i++) { %>
<li><a href="#<%=i%>"><%= i %></a></li>
<% } %>
<% var pages = i %>
</ul>
<div class="tabbedPages">
<div class="tabbedPage">
<% for (var i = 1; i <= pages; i++) { %>
<div class="page" id="<%=i%>">
<table>
<tr>
<th>Title</th>
<th>Replies</th>
<th>Last Message</th>
</tr>
<% for (var j = (i - 1) * 3; j < (i * 3) ; j++){ %>
<tr>
<td>
<h2><%= posts[j].title %></h2>
<h2><%= posts[j].author %>,
<% var diff = posts[j].date - Date.now %>
<% var msec = diff
var dd = Math.floor(msec/1000/60/60/24);
msec -= dd * 100 * 60 * 24;
var hh = Math.floor(msec/1000/60/60);
msec -= hh * 1000 * 60 * 60;
var mm = Math.floor(msec/1000/60);
msec -= mm * 1000 * 60;
var ss = Math.floor(msec/1000);
msec -= ss * 1000;
%>
<% if (dd >= 1) { %>
<%= dd %> days ago
<% } else if (hh >= 1) { %>
<%= hh %> hours ago
<% } else if (mm >= 2) { %>
<%= mm %> minutes ago
<% } else if (mm == 1) { %>
1 minute ago
<% } else { %>
Moments ago
<% } %>
</h2>
</td>
<td>
<h2>Replies: <%= posts[j].posts.length%></h2>
</td>
<td>
<h2>
<% if (posts[j].posts.length == 0) { %>
Not Available Yet
<% } else { %>
<%= posts[j].posts[posts[j].posts.length - 1].author %>
<% } %>
</h2>
<h2>
<% var diff = posts[j].date - Date.now %>
<% var msec = diff
var dd = Math.floor(msec/1000/60/60/24);
msec -= dd * 100 * 60 * 24;
var hh = Math.floor(msec/1000/60/60);
msec -= hh * 1000 * 60 * 60;
var mm = Math.floor(msec/1000/60);
msec -= mm * 1000 * 60;
var ss = Math.floor(msec/1000);
msec -= ss * 1000;
%>
<% if (dd >= 1) { %>
<%= dd %> days ago
<% } else if (hh >= 1) { %>
<%= hh %> hours ago
<% } else if (mm >= 2) { %>
<%= mm %> minutes ago
<% } else if (mm == 1) { %>
1 minute ago
<% } else { %>
Moments ago
<% } %>
</h2>
</td>
</tr>
<% } %>
</table>
<% } %>
</section>
你能幫我到底是什麼毛病此代碼?
在某些時刻的指標j'帖[J] .title'沒有找到,但我不明白的邏輯在這裏:'爲(VAR J =( i - 1)* 3; j <(i * 3); j ++){' –