task1_4.html

<!DOCTYPE html>
<!-- saved from url=(0062)file:///C:/Users/Alexey/Desktop/ElectoNeek%20test/task1_3.html -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=windows-1251"></head><body>

<h1>Web-ôîðìà äëÿ îòïðàâêè êîíòàêòíûõ äàííûõ 2</h1>

<p>ÔÈÎ:</p>
<input type="FIO" size="40">

<div id="divf">
<p>Òåëåôîí</p>
<input type="text" size="40">
<input type="button" onclick="add_input()" value="+" id='b_id0'/>
</div>

<p>Êîììåíòàðèé:</p>
<input type="comment" size="40">

<script>
	var x = 0;
    function add_input(){
    var id = 'b_id' + x;
    document.getElementById(id).remove();
    var n = x + 2;
    x++;
    document.getElementById('divf').innerHTML+='<br> <p>Òåëåôîí ¹' + n +'</p> <input type=text size="40" id="id'+x+'"> <input type="button" onclick="add_input()" value="+" id="b_id'+x+'"/>'
    }
</script>


</body></html>