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i need to make a simple app with TV programs, names on buttons or checkboxes, and when i click multiple buttons (or select checkboxes) it copies values from them to a textarea that i can then copy and use elsewhere.. For example 5 buttons, each named MTV, MTV2, FOX, CNN, ZDF. when i click for example on 3 of those (MTV, FOX, MTV2) i get in an text area following: MTV; FOX; MTV2 (so i can copy that desired list of TV programms).
i found the code in HTML (below), but i dont know how to make tv program to stay in textarea, each time i click new tv program, it only shows that program, it does not make a list of programms

What I have tried:

    <script type="text/javascript" src=""></script>
    <script type="text/javascript">
        $("button").click(function () {
            var text = $(this).text();
    .selected { color:red; }
    .highlight { background:yellow; }
    <input type="text" value="click a button" />
Updated 26-Jul-18 4:38am
Richard MacCutchan 26-Jul-18 7:43am
You need to get the existing text value, add whatever field separators you need, and then add the new button name. As it stands (as far as I can see) you are just replacing the text field each time.
Richard Deeming 26-Jul-18 10:38am
I've removed the tutorials site link from your question, because it makes the question look like spam.

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