Greasemonkey\JavaScript Copy to Clipboard button
I am trying to write a JavaScript script to add to greasemonkey that adds a button after an element. The onClick for this button should copy the parents element text to the keyboard. I have seen plenty of examples that copy already selected text to the clipboard such as this:
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function copyit(theField) {
var selectedText = document.selection;
if (selectedText.type == 'Text') {
var newRange = selectedText.createRange();
theField.focus();
theField.value = newRange.text;
} else {
alert('Alert: Select The text in the textarea then click on this button');
}
}
// End -->
</script>
<input onclick="copyit(this.form.text_select)" type="button" value="Click Here to Copy the Highlighted Text" name="copy_button">
Found here.
I have also found that you can select text in input elements. I have tried combining both techniques, as well as many others with no viable solution yet. I am not even sure why the code above copies to the clipboard. Does anyone have a solution to this?
If you took the time to read the full article, the author states this doesn't work for Firefox...
Actually, I think it doesn't even work for IE, as it does nothing related to the clipboard!
There is a technique using Flash, because by default, Firefox inhibits clipboard access for security reasons.
Otherwise, the classical way to do copy is:
var tc = textToCopy.replace(/nn/g, 'n');
if (window.clipboardData) // IE
{
window.clipboardData.setData("Text", tc);
}
else
{
unsafeWindow.netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
const clipboardHelper = Components.classes
["@mozilla.org/widget/clipboardhelper;1"].
getService(Components.interfaces.nsIClipboardHelper);
clipboardHelper.copyString(tc);
}
after enabling copy (for a given site).
Are you sure your example works? It does not in my browser. But take a look at the following page: http://www.jeffothy.com/weblog/clipboard-copy/
链接地址: http://www.djcxy.com/p/3326.html