单击按钮后如何更改数据值

Question

I have this problem to change the value of a variable that are using a loop that are triggered using button. For now my javascript code looks like this:

$(document).ready(function() {
    var cnt = 2;    
    $("#anc_add3").click(function() {
        $('#tbl4 tr').last().after('<tr><td><h3>PM [' + cnt + ']</h3></td><td><textarea> 
        cnt++;
    }); 

    var d = 2;
    $("#anc_addsupp").click(function() {
        $('#tbl4 tr:last-child').last().after('<tr><td><h3>Supplier [' + d + ']</h3></td><td>
        d++;
    });

What I am trying to do is to set a trigger that will restore $cnt initial value to 2 after clicking #anc_addsupp . Can anyone help me please I am struggling with this code for the past day.

Answer 1

you can do this.

var cnt = 2;   
      $(document).ready(function() {

        $("#anc_add3").click(function() {
            $('#tbl4 tr').last().after('<tr><td><h3>PM [' + cnt + ']</h3></td><td><textarea> 
            cnt++;
        }); 

        var d = 2;
        $("#anc_addsupp").click(function() {
            $('#tbl4 tr:last-child').last().after('<tr><td><h3>Supplier [' + d + ']</h3></td><td>
            d++;
           cnt = 2;
        });
});