jquery setInterval里面的焦点函数

Question

大家好我正在使用symfony2和jquery进行项目，在实体的添加视图中，我使用了一些jquery代码来执行焦点事件中的一些计算，但是当我将焦点放在输入上时焦点不会被调用，有我的代码：

var timerId = 0;

    $('tbody>.ligneproduit input, select').focus(function () {
        timerId = setInterval(function() {
            var j = 0, totalht = 0, totaltva = 0, totalttc = 0;

            //  console.log('remise : ' + remise)
            for (j=0; j < index; j++) {
                // var selectligne = $("#s2id_stock_stockbundle_bonlivaison_lignebl_" + j + "_idarticleentarnat span.select2-chosen").text();

                var sum = 0;
                totalRemise = 0;
                var qte = "stock_stockbundle_bonlivaison_lignebl_" + j + "_qte";
                var prix = "stock_stockbundle_bonlivaison_lignebl_" + j + "_pulignebl";
                var remise = "stock_stockbundle_bonlivaison_lignebl_" + j + "_remiselignebl";
                var total = "stock_stockbundle_bonlivaison_lignebl_" + j + "_totallignebl";

                //console.log('index = '+index);
                var div = document.getElementById(qte);

                if (div) {
                    if (document.getElementById(qte).value && document.getElementById(prix).value)
                    {
                        //console.log('prix = ' + document.getElementById(prix).value);
                        // Do This
                        var qtev = document.getElementById(qte).value;
                        var prixv = document.getElementById(prix).value;
                        var totalv = document.getElementById(total).value;

                        var tva = $('span#tva').text();
                        //console.log('tva ' + document.getElementById(qte).value);
                        sum = qtev * prixv;

                        var remiseV = document.getElementById(remise).value;

                        if (remiseV) {
                            remiseVal = ((sum / 100) * remise);
                            totalv = (sum - remiseVal);
                        } else {
                            totalv = sum;

                        }

                        //console.log('sum = ' + sum);
                        totalht = (totalht + totalv);
                        //console.log('totalv = ' + totalv);

                        //console.log('total ht = ' + totalht);
                        totaltva = parseFloat(tva / 100) * parseFloat(totalht);
                        totalttc = parseFloat(totalht + totaltva).toFixed(2);
                        //console.log('tt = ' + totalttc);

                        document.getElementById(total).value = parseFloat(totalv, 10).toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,").toString();

                        $('span#totalht').text(parseFloat(totalht, 10).toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,").toString());
                        $('span#totaltva').text(parseFloat(totaltva, 10).toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,").toString());
                        $('span#totalttc').text(parseFloat(totalttc, 10).toFixed(2).replace(/(\d)(?=(\d{3})+\.)/g, "$1,").toString());

                    }
                }
            }
        }, 100);
    });

    $('tbody>.ligneproduit input, select').blur(function () {
      clearInterval(timerId);
    });

，这是必须执行jquery的html代码：

<tbody>
                                {% for prd in edit_form.lignebl %}
                            <tr class="ligneproduit{{loop.index}}">
                                <td style="text-align:center;height: 49px;line-height: 49px">{{loop.index}}</td>
                                <td class="idarticle">{{ form_widget(prd.idarticle,{ 'attr': {'class': 'form-control'} }) }}</td>
                                <td class="libellearticle">{{ form_widget(prd.libellelignebl,{ 'attr': {'class': 'form-control'} }) }}</td>
                                <td class="libelleexternelignebl">{{ form_widget(prd.libelleexternelignebl,{ 'attr': {'class': 'form-control'} }) }}</td>
                                <td>{{ form_widget(prd.qte) }}</td>
                                <td>{{ form_widget(prd.pulignebl) }}</td>
                                <td>{{ form_widget(prd.remiselignebl) }}</td>
                                <td>{{ form_widget(prd.totallignebl) }}</td>
                                <td><a class="remove btn red" title="Remove" idx="{{loop.index}}"><i class="fa fa-eraser"></i></a></td>
                            </tr>
                                {%endfor%}

请注意，我在开头使用了setinterval并设置了timeout，这是代码：

var index = {{edit_form.lignebl|length}};
    var prototype = $('.form_lignefacturefournisseur').data('prototype');
    // $(".inputdesible input").prop('disabled', true);
    console.log('index ::: ',index);
    selectIntervalID = setInterval(selectIntervalFunction, 1000);
    intervalID1Remove = setInterval(BtnRemoveInterval, 100);
    setTimeout(function() {
        clearInterval(selectIntervalID);
        clearInterval(intervalID1Remove);
    }, 2000);

    $('#form_lignefacturefournisseur_btn').on('click', function() {
        var oldForm = prototype.replace(/__name__/g, index)
        var oldForm1 = oldForm.replace(/ligneproduit/g, "ligneproduit" + index);
        var oldForm2 = oldForm1.replace(/idx=""/, 'idx="' + index + '"');
        var oldForm3 = oldForm2.replace(/ordre/, ++index);
        $('#lignefacturefournisseurtr').before(oldForm3);
        $('select').select2();
        // index++;
        selectIntervalID = setInterval(selectIntervalFunction, 1000);
        intervalID1Remove = setInterval(BtnRemoveInterval, 100);
        setTimeout(function() {
            clearInterval(selectIntervalID);
            clearInterval(intervalID1Remove);

        }, 2000);

    });

    function selectIntervalFunction() {
        $('.idarticle select').change(function() {
            // console.log('ttttttttt');
            optionval = $(this).val();
            str = $(this).attr('id');
            idxline = str.substring(38, 39);
            // console.log('idxline  ' + idxline);
            // console.log('str ' + str);
            $('#stock_stockbundle_bonlivaison_lignebl_' + idxline + '_libellelignebl option[value=' + optionval + ']').attr('selected', 'selected');
        //    $('#stock_stockbundle_bonlivaison_lignebl_' + idxline + '_libelleexternelignebl option[value=' + optionval + ']').attr('selected', 'selected');
            $('select').select2();
        });
        $('.libellearticle select').change(function() {
            optionval = $(this).val();
            str = $(this).attr('id');
            idxline = str.substring(38, 39);
            $('#stock_stockbundle_bonlivaison_lignebl_' + idxline + '_idarticle option[value=' + optionval + ']').attr('selected', 'selected');
        //    $('#stock_stockbundle_bonlivaison_lignebl_' + idxline + '_libelleexternelignebl option[value=' + optionval + ']').attr('selected', 'selected');
            $('select').select2();
        });
    }

任何想法为什么，而不是提前!!