如何显示 HTML <input> 的工具提示文本元素使用 CSS 样式和 data-title 属性? [英] How do I display tooltip text for HTML <input> element using CSS style and data-title attribute?
问题描述
我正在尝试使用 HTML 控件的 data-title 属性显示类似文本的工具提示.
I am attempting to display tooltip like text using the data-title attribute for an HTML control.
我对元素使用了以下技术,效果很好.
I used the following technique for a element, and it works fine.
HTML 元素:
<span class="spanNewID" data-title="Tooltip Text">816631-20319G14440 </span>
CSS 样式:
span.spanNewID[data-title]:hover:after {
opacity: 1;
transition: all 0.1s ease 0.5s;
visibility: visible;
}
span.spanNewID[data-title]:after {
content: attr(data-title);
background-color: lightblue;
color: #111;
font-size: 12pt;
font-weight: bold;
position: absolute;
padding: 1px 5px 2px 5px;
bottom: -1.6em;
left: 100%;
white-space: nowrap;
box-shadow: 1px 1px 3px #222222;
opacity: 0;
border: 1px solid #111111;
z-index: 99999;
visibility: hidden;
}
span.spanNewID[data-title] {
position: relative;
}
上面的代码片段可以正确显示我的基于 css 的工具提示.
The above code snippet works to correctly display my css based tooltip.
我正在尝试将相同的选择器应用于元素.考虑以下几点:
I am trying to apply the same selector to an element. Consider the following:
HTML 元素:
<input type="submit" value="Click Me" class="inuse" data-title="Input ELement Help"> </input>
CSS 样式:
input.inuse[data-title]:hover:after {
opacity: 1;
transition: all 0.1s ease 0.5s;
visibility: visible;
}
input.inuse[data-title]:after {
content: attr(data-title);
background-color: lightblue;
color: #111;
font-size: 12pt;
font-weight: bold;
position: absolute;
padding: 1px 5px 2px 5px;
bottom: -1.6em;
left: 100%;
white-space: nowrap;
box-shadow: 1px 1px 3px #222222;
opacity: 0;
border: 1px solid #111111;
z-index: 99999;
visibility: hidden;
}
input.inuse[data-title] {
position: relative;
}
在这种情况下不显示悬停文本/工具提示.我没有看到任何错误.页面上没有可见的更改.我尝试在 ChromeCSS 选择器测试器"中使用 css 选择器,并且选择器按预期工作.
The hover text/tooltip does not display in this case. I do not see any errors. There are no visible changes on the page. I attempted to use the css selector in the Chrome "CSS Selector Tester" and the selector works as expected.
我在这里遗漏了什么/做错了什么?
What am I missing/doing wrong here?
谢谢,JohnB
推荐答案
我自己在谷歌上搜索了一些,并得出了一些有趣的信息.首先,pseduo-selectors :before 和 :after 应该用于容器元素.
I did a bit of Googling myself, and came up with some interesting information. First off, pseduo-selectors :before and :after should be used on container elements.
可能你可以使用 而不是
并达到你想要的效果:
Potentially you could use <button></button>
instead of <input>
and achieve the effect you desire:
.inuse[data-title]:hover:after {
opacity: 1;
transition: all 0.1s ease 0.5s;
visibility: visible;
}
.inuse[data-title]:after {
content: attr(data-title);
background-color: lightblue;
color: #111;
font-size: 12pt;
font-weight: bold;
position: absolute;
padding: 1px 5px 2px 5px;
bottom: -1.6em;
left: 100%;
white-space: nowrap;
box-shadow: 1px 1px 3px #222222;
opacity: 0;
border: 1px solid #111111;
z-index: 99999;
visibility: hidden;
}
.inuse[data-title] {
position: relative;
}
<button type="submit" value="Click Me" class="inuse" data-title="Input ELement Help">Click Me</button>
或者,我相信您已经考虑过这一点,但无论如何都值得一提,只需使用 title
属性:
Or, and I'm sure you've considered this but it's worth mentioning anyway, just use the title
attribute:
<input type="submit" value="Click Me" class="inuse" data-title="Input ELement Help" title="Input ELement Help">
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