有没有一种方法可以通过使用 javascript 来控制数据工具提示消息?喜欢 html dom 吗?
/* Add this attribute to the element that needs a tooltip */
[data-tooltip] {
position: relative;
z-index: 2;
cursor: pointer;
}
/* Hide the tooltip content by default */
[data-tooltip]:before,
[data-tooltip]:after {
visibility: hidden;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
opacity: 0;
pointer-events: none;
}
/* Position tooltip above the element */
[data-tooltip]:before {
position: absolute;
bottom: 150%;
left: 50%;
margin-bottom: 5px;
margin-left: -80px;
padding: 7px;
width: 160px;
border-radius: 2px;
border: 1px outset #C0C0C0;
box-shadow: 3px 2px 5px #9F9F9F;
background-color: #000;
background-color: hsla(206, 73%, 34%, 0.9);
color: #FFFFFF;
content: attr(data-tooltip);
text-align: center;
font-size: 11px;
font-family: "Trebuchet MS", Helvetica, sans-serif;
font-weight: bold;
line-height: 1.2;
}
/* Triangle hack to make tooltip look like a speech bubble */
[data-tooltip]:after {
position: absolute;
bottom: 150%;
left: 50%;
margin-left: -5px;
width: 0;
border-top: 5px solid #000;
border-top: 5px solid hsla(206, 73%, 34%, 0.9);
border-right: 5px solid transparent;
border-left: 5px solid transparent;
content: " ";
font-size: 0;
line-height: 0;
}
/* Show tooltip content on hover */
[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
visibility: visible;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
opacity: 1;
}
<a href="#" id="abc" data-tooltip="abc"><img src="http://www.w3schools.com/images/w3schools_green.jpg"/ ></a>
最佳答案
当然可以。使用 (content: attr(data-tooltip)
) 从属性 data-tooltip
获取的属性文本。
因此,您只需将属性的值更改为您想要的任何值即可。
function changeTooltip() {
document.getElementById('abc').setAttribute('data-tooltip', 'aaa');
}
/* Add this attribute to the element that needs a tooltip */
[data-tooltip] {
position: relative;
z-index: 2;
cursor: pointer;
}
/* Hide the tooltip content by default */
[data-tooltip]:before,
[data-tooltip]:after {
visibility: hidden;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
opacity: 0;
pointer-events: none;
}
/* Position tooltip above the element */
[data-tooltip]:before {
position: absolute;
bottom: 150%;
left: 50%;
margin-bottom: 5px;
margin-left: -80px;
padding: 7px;
width: 160px;
border-radius: 2px;
border: 1px outset #C0C0C0;
box-shadow: 3px 2px 5px #9F9F9F;
background-color: #000;
background-color: hsla(206, 73%, 34%, 0.9);
color: #FFFFFF;
content: attr(data-tooltip);
text-align: center;
font-size: 11px;
font-family: "Trebuchet MS", Helvetica, sans-serif;
font-weight: bold;
line-height: 1.2;
}
/* Triangle hack to make tooltip look like a speech bubble */
[data-tooltip]:after {
position: absolute;
bottom: 150%;
left: 50%;
margin-left: -5px;
width: 0;
border-top: 5px solid #000;
border-top: 5px solid hsla(206, 73%, 34%, 0.9);
border-right: 5px solid transparent;
border-left: 5px solid transparent;
content: " ";
font-size: 0;
line-height: 0;
}
/* Show tooltip content on hover */
[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
visibility: visible;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
opacity: 1;
}
<a href="#" id="abc" data-tooltip="abc"><img src="http://www.w3schools.com/images/w3schools_green.jpg"/ ></a>
<br />
<button onclick="changeTooltip()">Change tooltip to "aaa"</button>
关于javascript - 如何更改数据工具提示消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36257368/