jQuery 附加文本 [英] jQuery append text

问题描述

我想在 div 中附加一些简单的数据，例如:

$('#msg').append('Some text');

在正文中，我想我需要像这样放置 html.

<div id="msg"></div>//显示里面的文字.

但是，我想向 #msg 添加一些 CSS.例如，背景颜色.现在的问题是，由于 #msg div 一直存在，即使没有附加文本，我也会看到背景颜色.我试图添加像display:none"这样的 css，但在这种情况下，我看不到附加的文本.我可以这样做，以便 #msg div 仅在文本附加到 #test 中时才出现在 #test 中吗?谢谢.

解决方案

$('#msg').append('Some text').show();

I want to append some simple data in a div like:

$('#msg').append('Some text');

In the body, i think i will need to place the the html like.

<div id="test">    

<div id="msg"></div>  //show text inside it.

</div>

However, I want to add some CSS to the #msg. For example, background color. Now the problem is that, since the #msg div is present all the time, i see the background color even when the text is not appended to it. I have tried to add css like "display:none, but in that case i can not see the text appended to it. Can i do it so that the #msg div appears inside the #test only when the text is appended to it? Thanks.

解决方案

$('#msg').append('Some text').show();

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