Inserting a text where cursor is using Javascript/jquery

Question

I have a page with a lot of textboxes. When someone clicks a link, i want a word or two to be inserted where the cursor is, or appended to the textbox which has the focus.<

Answer 1

I think you could use the following JavaScript to track the last-focused textbox:

Usage:

A previous solution (props to gclaghorn) uses textarea and calculates the position of the cursor too, so it may be better for what you want. On the other hand, this one would be more lightweight, if that's what you're looking for.