wawan Setiyawan wawan Setiyawan - 2 months ago 20
Ajax Question

Select Onchange with ajax

i have problem with change by ajax. this is my code :



$(document).ready(function() {
addBarang();
});

function addBarang() {
var new_barang = $(".hidden_input").find(".barang_in").clone().addClass("barang_in_clone");
$(".target_clone:last").append(new_barang);
$(".barang_in_clone:last").find("input[name=show]").val('');
// $(".barang_in_clone:has(select)").addClass("select2");
}

$('body').on('click', '.btn_kurangi_barang', function() {
$(this).closest('.barang_in_clone').remove();
});

//Tampilkan model ketika memilih kode hanca
function showModel(el) {
if (el === "") {
$(el).siblings("input[name=model]").val("");
} else {
$.ajax({
url: 'vendor_inout/vendor_inout_crud.php',
type: 'POST',
dataType: 'JSON',
data: {id_vendor_detail: el, type: "get_model"}, //get model dan ukuran
success: function (data) {
console.log(data);
$(el).siblings("input[name=model]").val(data.nama_model + " " + "(" + data.ukuran + ")");
},
error: function (e) {
//called when there is an error
console.log(e.message);
}
});
}
}

<body>
<div class="hidden_input" style="display: none">
<div class="barang_in">
<label class="col-md-4 control-label">Kode Hanca</label>
<select onchange='showModel(this)' name="id_vendor_detail" class="form-control" required="">
<option value="">- PILIH -</option>
<option value="1">- Orange -</option>
<option value="2">- Pink -</option>
<option value="3">- Red -</option>

</select>
<button onclick="addBarang()" type="button" data-toggle="tooltip" data-placement="top" title="tambah vendor" class="btn btn-info btn-flat btn-xs pull-left btn_tambah_vendor"><i class="fa fa-plus"></i> add</button>
<button type="button" data-toggle="tooltip" data-placement="top" title="kurangi barang" class="btn btn-danger btn-flat btn-xs pull-right btn_kurangi_barang"><i class="fa fa-minus"></i> Remove</button>
<input type='text' name='show'>
</div>
</div>
<div class='target_clone'>
</div>

</body>





when i select the selectbox, it make my browser hang . how to fix it ?

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Answer

el is the element not the value of the element

use el.value to get the selected value or $(el).val(); via jquery

  function showModel(el) {
        if (el.value === "") {
            $(el).siblings("input[name=model]").val("");
        } else {
            $.ajax({
                url: 'vendor_inout/vendor_inout_crud.php',
                type: 'POST',
                dataType: 'JSON',
                data: {id_vendor_detail: el.value, type: "get_model"}, //get model dan ukuran
                success: function (data) {
                    console.log(data);
                    $(el).closest('.barang_in').find("input[name='model']").val(data.nama_model + " " + "(" + data.ukuran + ")");//get the parent element and then find the input
                },
                error: function (e) {
                    //called when there is an error
                    console.log(e.message);
                }
            });
        }
    }
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