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Update copyToClipboard.md

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Angelos Chalaris
2017-12-31 12:07:58 +02:00
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parent f72bd4d2f9
commit c646c0cc88
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snippets/copyToClipboard.md
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@ -3,8 +3,10 @@
Copy a string to the clipboard. Only works as a result of user action (i.e. inside a `click` event listener). Copy a string to the clipboard. Only works as a result of user action (i.e. inside a `click` event listener).
Create a new `<textarea>` element, fill it with the supplied data and add it to the HTML document. Create a new `<textarea>` element, fill it with the supplied data and add it to the HTML document.
Use `Selection.getRangeAt()`to store the selected range (if any).
Use `document.execCommand('copy')` to copy to the clipboard. Use `document.execCommand('copy')` to copy to the clipboard.
Finally, remove the `<textarea>` element from the HTML document. Remove the `<textarea>` element from the HTML document.
Finally, use `Selection().addRange()` to recover the original selected range (if any).
```js ```js
const copyToClipboard = str => { const copyToClipboard = str => {
@ -14,9 +16,14 @@ const copyToClipboard = str => {
el.style.position = 'absolute'; el.style.position = 'absolute';
el.style.left = '-9999px'; el.style.left = '-9999px';
document.body.appendChild(el); document.body.appendChild(el);
const selected = document.getSelection().rangeCount > 0 ? document.getSelection().getRangeAt(0) : false;
el.select(); el.select();
document.execCommand('copy'); document.execCommand('copy');
document.body.removeChild(el); document.body.removeChild(el);
if (selected) {
document.getSelection().removeAllRanges();
document.getSelection().addRange(selected);
}
} }
``` ```