javascript - Ajax function doesn't work when called inside a JQuery append -


i have onchange function inside jquery append call ajax function. code:

var data='<?php echo $data; ?>'; var tambah=1; var txt=1;  function add_fullboard_dalam_kota(){       function showu(str)     {          if (str=="")         {             document.getelementbyid(txt).innerhtml="";             return;         }         if (window.xmlhttprequest)         {// code ie7+, firefox, chrome, opera, safari             xmlhttp=new xmlhttprequest();         }         else         {// code ie6, ie5             xmlhttp=new activexobject("microsoft.xmlhttp");         }         xmlhttp.onreadystatechange=function()         {             if (xmlhttp.readystate==4 && xmlhttp.status==200)             {                 document.getelementbyid(txt).innerhtml=xmlhttp.responsetext;             }         }         xmlhttp.open("get","gettujuan5.php?q="+str,true);         xmlhttp.send();     }       $("#fullboard_dalam_kota").append('<tr align="center" valign="middle" bgcolor="#e4e4e4">'         +'<td width="19%" ><input name="penyelenggara[]" type="text" id="'+tambah+'" onchange=showu(this.value)></td>'         +'<td width="19%" ><div id="'+txt+'"><b></b></div>'           +'</td>'         +'<td width="19%" ><input name="jumlah_peserta[]" type="text" id="jumlah_peserta[]"></td>'         +'<td width="19%" ><input name="jumlah_hari[]" type="text" id="jumlah_hari[]"></td>'         +'</tr>')          tambah=tambah+1;     txt=txt+1;  } var data='<?php echo $data; ?>'; var tambah=1; var txt=1;  function add_fullboard_dalam_kota(){       function showu(str)     {          if (str=="")         {             document.getelementbyid(txt).innerhtml="";             return;         }         if (window.xmlhttprequest)         {// code ie7+, firefox, chrome, opera, safari             xmlhttp=new xmlhttprequest();         }         else         {// code ie6, ie5             xmlhttp=new activexobject("microsoft.xmlhttp");         }         xmlhttp.onreadystatechange=function()         {             if (xmlhttp.readystate==4 && xmlhttp.status==200)             {                 document.getelementbyid(txt).innerhtml=xmlhttp.responsetext;             }         }         xmlhttp.open("get","gettujuan5.php?q="+str,true);         xmlhttp.send();     }       $("#fullboard_dalam_kota").append('<tr align="center" valign="middle" bgcolor="#e4e4e4">'         +'<td width="19%" ><input name="penyelenggara[]" type="text" id="'+tambah+'" onchange=showu(this.value)></td>'         +'<td width="19%" ><div id="'+txt+'"><b></b></div>'           +'</td>'         +'<td width="19%" ><input name="jumlah_peserta[]" type="text" id="jumlah_peserta[]"></td>'         +'<td width="19%" ><input name="jumlah_hari[]" type="text" id="jumlah_hari[]"></td>'         +'</tr>')          tambah=tambah+1;     txt=txt+1;  }

but apparently onchange function doesn't work because doesn't return ajax value. what's wrong codes?

the problem using global variable txt inside showu method, txt point id not exists in page.

var data = '<?php echo $data; ?>'; var tambah = 1; var txt = 1;  function showu(str, txt) {      if (str == "") {         document.getelementbyid(txt).innerhtml = "";         return;     }     if (window.xmlhttprequest) { // code ie7+, firefox, chrome, opera, safari         xmlhttp = new xmlhttprequest();     } else { // code ie6, ie5         xmlhttp = new activexobject("microsoft.xmlhttp");     }     xmlhttp.onreadystatechange = function () {         if (xmlhttp.readystate == 4 && xmlhttp.status == 200) {             document.getelementbyid(txt).innerhtml = xmlhttp.responsetext;         }     }     xmlhttp.open("get", "gettujuan5.php?q=" + str, true);     xmlhttp.send(); }   function add_fullboard_dalam_kota() {     $("#fullboard_dalam_kota").append('<tr align="center" valign="middle" bgcolor="#e4e4e4">' + '<td width="19%" ><input name="penyelenggara[]" type="text" id="' + tambah + '" onchange="showu(this.value, \'' + txt + '\')"></td>' + '<td width="19%" ><div id="' + txt + '"><b></b></div>' + '</td>' + '<td width="19%" ><input name="jumlah_peserta[]" type="text" id="jumlah_peserta[]"></td>' + '<td width="19%" ><input name="jumlah_hari[]" type="text" id="jumlah_hari[]"></td>' + '</tr>');      showu();      tambah = tambah + 1;     txt = txt + 1; }

note: use jquery.ajax() instead of using native ajax

in case since loading html fragment use

function showu(str, txt) {     if (str == "") {         $('#' + txt).empty()         return;     }     $('#' + txt).load("gettujuan5.php?q=" + str); }

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