Javascript Caret Input

How to put the caret or cursor at a certain position within an input or textarea?

• http://stackoverflow.com/questions/2897155/get-cursor-position-in-characters-within-a-text-input-field
• http://stackoverflow.com/questions/4085312/jquery-get-the-cursor-position-of-text-in-input-without-browser-specific-code
• https://gist.github.com/DrPheltRight/1007907
• http://davidwalsh.name/caret-end
• http://css-tricks.com/snippets/jquery/move-cursor-to-end-of-textarea-or-input/
• http://codetheory.in/javascript-control-input-field-caret-position-or-move-to-end-in-textboxes-and-textareas/
• http://javascript.nwbox.com/cursor_position/
• http://www.coderanch.com/t/631479/HTML-CSS-JavaScript/Position-cursor-input-text-element