caret.js

Get or set caret position, at where you can also insert text.

Usage

var inputor = document.getElementsByTagName('textarea')[0];
var caret = new Caret('inputor');

Get current caret position, return {start, end, text}:

caret.getPos();

Set current caret position:

caret.setPos({start: 1, end: 4});

Insert text at given postion:

carent.insert({start: 1, end: 4}, 'text');

Works fine both for textarea and input element.

All modern browser and IE5+