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Underline Bookmarklet

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Oct 23.2013

I am developing an underline bookmarklet. It was designed to work in any text box but it only seems to work in Yahoo mail. I have no idea why. I have included it below. Line breaks and comments have been added. In reality it is one line that goes in the address of the bookmark. When it works inputString has a value. When it doesn’t work (which is everywhere but Yahoo mail) inputString is blank.
It is available for testing at [url]http://dmmarks.com/bookmarklets.html[/url]

[CODE]javascript:
/* function to convert HTML entities to text */
function%20get_ents(str)
{var%20temp=document.createElement(‘pre’);
temp.innerHTML=str;
return%20temp.firstChild.nodeValue;};

/* get the selected text */
inputString=document.getSelection().getRangeAt(0); <—– problem seems to be here
inputChar=”;
outputChar=”;

/* convert to string so length will work */
selectedText%20=%20inputString.toString();

/* add the underline charaters */
for(i=0;i<selectedText.length;i++)
{outputChar=outputChar+selectedText.charAt(i).concat(‘%CC%B2’)};

/* replace the selected text */
inputString.deleteContents();
inputString.insertNode(document.createTextNode(get_ents(outputChar)));
void(0);[/CODE]

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JavaScript

1 Comments(s) ↴

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@jalarieNov 02.2013 — You need a bit more work to properly get the selected text. I use this subroutine:
<i>
</i>// getselec.js Get selected text
// Written: 2013-05-30 by James Alarie
// http://spruce.flint.umich.edu/~jalarie/
// Title=Pick up highlighted text from the web page.
// Keywords=select,highlight,text.
//
// Functions:
// GetSelected(What)
// What optional The prompt to use if nothing is selected.
// if nothing is selected and "What" is null, a null value is returned.

function GetSelected(What) {
var Value;
if (window.getSelection) {
Value=window.getSelection();
} else {
if (document.getSelection) {
Value=document.getSelection();
} else {
Value=document.selection.createRange().text;
}
}
if (Value == '') {
if (What) {
Value=prompt(What,'');
}
}
return Value+'';
} // GetSelected
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