单击时使用伪元素工具提示复制到剪贴板

Question

我试图使使用伪元素创建的工具提示可单击，然后运行一个功能以复制到剪贴板。

我已经尝试过在CSS伪元素内部以及跨度内将onClick添加为onClick。

function myFunction() {
  var copyText = document.getElementById("firstnamereflect");
  copyText.select();
  document.execCommand("copy");
  alert("Copied the text: " + copyText.value);
}

[data-tooltip] {
  display: inline-block;
  position: relative;
  cursor: help;
  padding: 4px;
}


/* Tooltip styling */

[data-tooltip]:before {
  content: attr(data-tooltip);
  display: none;
  position: absolute;
  background: #000;
  color: #fff;
  padding: 4px 8px;
  font-size: 14px;
  line-height: 1.4;
  min-width: 100px;
  text-align: center;
  border-radius: 4px;
}


/* Dynamic horizontal centering */

[data-tooltip-position="top"]:before,
[data-tooltip-position="bottom"]:before {
  left: 50%;
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}

[data-tooltip-position="bottom"]:before {
  top: 100%;
  margin-top: 6px;
}


/* Tooltip arrow styling/placement */

[data-tooltip]:after {
  content: '';
  display: none;
  position: absolute;
  width: 0;
  height: 0;
  border-color: transparent;
  border-style: solid;
}


/* Dynamic horizontal centering for the tooltip */

[data-tooltip-position="top"]:after,
[data-tooltip-position="bottom"]:after {
  left: 50%;
  margin-left: -6px;
}

[data-tooltip-position="top"]:after {
  bottom: 100%;
  border-width: 6px 6px 0;
  border-top-color: #000;
}

[data-tooltip-position="bottom"]:after {
  top: 100%;
  border-width: 0 6px 6px;
  border-bottom-color: #000;
}


/* Show the tooltip when hovering */

[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
  display: block;
  z-index: 50;
}

<div class="fixed">
  <span onclick="myFunction()" data-tooltip="Copy" data-tooltip-position="bottom" id="firstnamereflect"></span> </div>

我希望当我单击由data-tooltip创建的“复制”工具提示时，它将运行一个功能。

Answer 1

这就是我要做的。我认为您可以将事件处理程序附加到工具提示本身。一旦不显示任何内容，就不会呈现给用户，因此，如果用户单击该空间，则不会发生任何事情。

JS代码：

// attach an event handler that'll show the tooltip 
document.querySelector("#hoverText").onmouseover = () => {
  document.querySelector("#toolTip").style.display = "inline-block";
}

// attach an event handler that'll hide the tooltip 
document.querySelector("#hoverText").onmouseout = () => {
  document.querySelector("#toolTip").style.display = "none";
}

// attach the copy function
document.querySelector("#toolTip").onclick = copyToClipboard;

Answer 2

我修改了您的脚本并使之运行。 copyText.select();仅适用于文本框，例如输入，文本区域等。您可以使用range

从div / span中检索值

将功能更改为

function myFunction() {
  var copyText = document.getElementById("firstnamereflect").firstChild;
  var range = document.createRange();
  var endOffset = copyText.length;
  range.setStart(copyText, 0);
  range.setEnd(copyText, endOffset);
  var selection = window.getSelection();
  selection.removeAllRanges();
  selection.addRange(range);
  alert("Copied the text: " + range);
}

function myFunction() {
  var copyText = document.getElementById("firstnamereflect").firstChild;
  var range = document.createRange();
  var endOffset = copyText.length;
  range.setStart(copyText, 0);
  range.setEnd(copyText, endOffset);
  var selection = window.getSelection();
  selection.removeAllRanges();
  selection.addRange(range);
  alert("Copied the text: " + range);
}

[data-tooltip] {
  display: inline-block;
  position: relative;
  cursor: help;
  padding: 4px;
}


/* Tooltip styling */

[data-tooltip]:before {
  content: attr(data-tooltip);
  display: none;
  position: absolute;
  background: #000;
  color: #fff;
  padding: 4px 8px;
  font-size: 14px;
  line-height: 1.4;
  min-width: 100px;
  text-align: center;
  border-radius: 4px;
}


/* Dynamic horizontal centering */

[data-tooltip-position="top"]:before,
[data-tooltip-position="bottom"]:before {
  left: 50%;
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}

[data-tooltip-position="bottom"]:before {
  top: 100%;
  margin-top: 6px;
}


/* Tooltip arrow styling/placement */

[data-tooltip]:after {
  content: '';
  display: none;
  position: absolute;
  width: 0;
  height: 0;
  border-color: transparent;
  border-style: solid;
}


/* Dynamic horizontal centering for the tooltip */

[data-tooltip-position="top"]:after,
[data-tooltip-position="bottom"]:after {
  left: 50%;
  margin-left: -6px;
}

[data-tooltip-position="top"]:after {
  bottom: 100%;
  border-width: 6px 6px 0;
  border-top-color: #000;
}

[data-tooltip-position="bottom"]:after {
  top: 100%;
  border-width: 0 6px 6px;
  border-bottom-color: #000;
}


/* Show the tooltip when hovering */

[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
  display: block;
  z-index: 50;
}

<div class="fixed">
  <span onclick="myFunction()" data-tooltip="Copy" data-tooltip-position="bottom" id="firstnamereflect">Hover Me</span>
</div>

Answer 3

谢谢你，基努！一旦我将警报更改为document.execCommand（“ copy”）;，此方法就可以很好地工作。串。现在我只需要剖析它，这样我就可以了解您的所作所为！

function myFunction() {
  var copyText = document.getElementById("firstnamereflect").firstChild;
  var range = document.createRange();
  var endOffset = copyText.length;
  range.setStart(copyText, 0);
  range.setEnd(copyText, endOffset);
  var selection = window.getSelection();
  selection.removeAllRanges();
  selection.addRange(range);
  alert("Copied the text: " + range);
}

[data-tooltip] {
  display: inline-block;
  position: relative;
  cursor: help;
  padding: 4px;
}


/* Tooltip styling */

[data-tooltip]:before {
  content: attr(data-tooltip);
  display: none;
  position: absolute;
  background: #000;
  color: #fff;
  padding: 4px 8px;
  font-size: 14px;
  line-height: 1.4;
  min-width: 100px;
  text-align: center;
  border-radius: 4px;
}


/* Dynamic horizontal centering */

[data-tooltip-position="top"]:before,
[data-tooltip-position="bottom"]:before {
  left: 50%;
  -ms-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}

[data-tooltip-position="bottom"]:before {
  top: 100%;
  margin-top: 6px;
}


/* Tooltip arrow styling/placement */

[data-tooltip]:after {
  content: '';
  display: none;
  position: absolute;
  width: 0;
  height: 0;
  border-color: transparent;
  border-style: solid;
}


/* Dynamic horizontal centering for the tooltip */

[data-tooltip-position="top"]:after,
[data-tooltip-position="bottom"]:after {
  left: 50%;
  margin-left: -6px;
}

[data-tooltip-position="top"]:after {
  bottom: 100%;
  border-width: 6px 6px 0;
  border-top-color: #000;
}

[data-tooltip-position="bottom"]:after {
  top: 100%;
  border-width: 0 6px 6px;
  border-bottom-color: #000;
}


/* Show the tooltip when hovering */

[data-tooltip]:hover:before,
[data-tooltip]:hover:after {
  display: block;
  z-index: 50;
}

<div class="fixed">
  <span onclick="myFunction()" data-tooltip="Copy" data-tooltip-position="bottom" id="firstnamereflect">Hover Me</span>
</div>