關於你編輯的問題。如果你想插入內容或完全改變內容,我做了一個新的fiddle。
在這個演示中,你有一個按鈕,當你點擊它時,會向包裝div添加兩個更多的Lorem Ipsum段落。它的做法是首先將div動畫到適當的高度,然後添加內容。您可以多次單擊該按鈕,每次添加演示內容的新塊。
HTML標記:
<a href="#" id="change_content">Add content</a>
<div id="wrapper">
<div class="content_box">
<p>"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do ei
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum."</p>
</div>
</div>
<div id="temp_content"></div><!-- Container for temporary content -->
CSS(這裏只是用來BG顏色,使動畫可見的(東西這裏,應該注意的是,我已經使用的臨時容器與可見性設置爲隱藏的內容。)和visibility:hidden的臨時容器,需要注意的是你不能使用顯示:無,因爲測量高度時,你會得到0)
#wrapper {background-color: orange;}
.content_box {width: 400px; background-color: green;}
#temp_content {width: 400px; visibility: hidden;}
的jQuery(我評論的代碼在這裏)
$(document).ready(function() {
$('#change_content').click(function(e) {
/*Some demo content here. Two new paragraphs wrapped in the div with content_box
class. If it wasn't wrapped in the content_box class. In order to get correct
height you should have temporary container width same as desired target
container width so the content fills up properly.*/
var new_content = '<div class="content_box"><p>Lorem ipsum dolor sit amet,
consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore
magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in
voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint
occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id
est laborum.Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu
fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim id est laborum.</p></div>';
//insert the new content inside the temporary container.
$('#temp_content').html(new_content);
//calculate the temporary container height
var new_content_height = $('#temp_content').height();
//calculate current content height
var existing_content_height = $('#wrapper').height();
//add two heights together
var target_height = new_content_height + existing_content_height + 'px';
$('#wrapper').animate({
height: target_height
}, 1000, function() {
//after the animation is over insert the content to the wrapper
$('#wrapper').append(new_content);
//its not obligatory but lets empty the temporary container
$('#temp_content').empty();
});
});
});
希望它有幫助。
編輯:有錯誤的小提琴鏈接。現在它指向正確。