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Filktering Alphabetically

Whing Dela Cruz
Last Modified: 2017-03-08
Hi Experts, I have found codes for filtering item but I observed that it only works when I type first 3 letters of the item. I want the item to show at the time I encode its first letter. For example if I type H, I want the all items who start with H will show alphabetically. I have no idea it is possible and please give me a little overview if it is not. Thanks!

function mySearch()
    var input, filter, table, tr, td, i;
    input = document.getElementById("myInput");
    filter = input.value.toUpperCase();
    table = document.getElementById("myTable");
    tr = table.getElementsByTagName("tr");
    for (i = 0; i < tr.length; i++)
    td = tr[i].getElementsByTagName("td")[1];
    if (td)
    if (td.innerHTML.toUpperCase().indexOf(filter) > -1)
    tr[i].style.display = "";
    tr[i].style.display = "none";
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