Here is a simple bit of code that you can use to merge one or more arrays. The function you need is called contact().
Take the following two arrays, both of which contain numbers.
When a user presses the tab key in a browser window the normal action is for the user to move the focus to a different control. To enable a word processor like tab effect in a text area you need to catch the keystroke and add in the tab character to where ever the cursor is. This is the main issue with creating this solution, it is easy to add a tab to the end of the text, but most users might want to add a tab half way through the text.
Take the following HTML text area.
In order to submit a form using an event you need to run a click event on any submit button in the form. Take the following form.