Obtain the selected text in the text box and dynamically Insert the JavaScript code of the text.

Source: Internet
Author: User

Copy codeThe Code is as follows: <script language = "javascript" src = "js/settags. js"> </script>
Function AppTag (tagcode)
{
Document. PostMessage. Message. value + = tagcode;
}

Function InsertTag (tagbegin, tagend)
{
If (document. selection) & (document. selection. type = "Text ")){
Var range = document. selection. createRange ();
Var ch_text = range. text;
Range. text = tagbegin + ch_text + tagend;
}
Else
{
Document. PostMessage. Message. value = tagbegin + document. PostMessage. Message. value + tagend;
Document. PostMessage. Message. focus ();
}
}
</Script>

Call:

Icon button for performing the operation:
<A href = "javascript: AppTag ('[ImgFace1]')"> </a>
<A href = "javascript: InsertTag ('[B]', '[/B]')"> </a>
[ImgFace1], [B], and [/B] Are the text to be inserted.
Var range = document. selection. createRange ();
Var ch_text = range. text;
This is the selected text in the text box.

Operated text box:
<Asp: TextBox ID = "Message" Runat = "server" MaxLength = "100" TextMode = "MultiLine" Rows = "15" Width = "100%"/>

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