我在研究Ruby-on-Rails 3.2.1. 我遵循DOM结构
I am trying to create a search text-field like on the Apple website. The HTML looks like this: <div class="frm-search"> <div> <input class="btn" type="image" src="http://www....
首先,删除lt;/img>
的以下文字: 。
< 强力 > 塔格遗漏 强 >
img
元素是一个无效元素。 img元素必须有一个启动标签 < 坚固>, 但不能有 坚固> 的结束标签 。
Make sure that the CSS is loaded (and not using a cached version).
Also make sure that there is no script that might be removing/altering your classes.
(i 还希望 CSS 中的评论仅针对堆叠溢出, 因为它们无效 em> )
<强 > 更新 强 >
Firebug在规则的开头 展示了一个奇怪的空间 所以我就跑
var txt = document.styleSheets[0].cssRules[3].cssText;
console.log(0, : , txt[0], : , txt.charCodeAt(0) );
并获得 8203
作为charCode...
这是零维空格字符。 您需要删除它, 因为它正被用作选择器的一部分( 因而失败了 em> )。
要看到变化的实况, 尝试运行
var txt = document.styleSheets[0].cssRules[3].cssText;
var fixedRule = txt.substring(1);
document.styleSheets[0].deleteRule(3);
document.styleSheets[0].insertRule(fixedRule, 3);
从 firebug 控制台发出, 你会看到它会被固定 。 ( 脚本唯一能做的就是删除错误的规则, 并在删除第一个字符 em> 后重新插入它)
尝试将名称从框架图像更改为框架图像还是什么? 删除连字符吗?
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