javascript - Check/Display value of variable via json in interval of 10ms -


i trying make progress circle using jquery knob , php. jquery knob should value via ajax/json of variable php counting iterations php script getting percentage of total iteration had been done. idea jquery, number here json_encode($percentage) every 20 ms. appears progress circle , fullfill color based on number gets json_encode($percentage) please me noob in jquery know bit of php.

php

$urls1 array; $counter = 0; $total = count($urls1);  foreach ($urls1 $urls) {   $counter++;   $percentage = ($counter/$total) * 100;   echo json_encode($percentage);   // morethings }

now jquery

var jquery_1_11_0 = $.noconflict(true); $(function () {     jquery_1_11_0('#check').on('submit', function (e) {         var validatef = $("#url").val();         var validaterror = $('#errorvalidate');         if (validatef == 'enter domains separated new line -max 100 domains-') {             validaterror.text('please enter domain names in text area');             e.preventdefault();         } else {             validaterror.text('');             $("#progressbar").knob({                 'draw': function () {                     /*$.ajax({                         url: 'multipr-process.html', // it's acually php, using htaccess code, works fine tested on other scripts.                         type: 'get',                         data: data,                         datatype: 'json',                         success: function (result) {                             //console.log(result['percentage']);             var currentpercentage = result['percentage'];             want result every 20 ms , believe need place in variable,             can add beyond....                         }                     });*/         //// if enable this, ajax script above brokes , can't check in console because it's reloading page.                     $(this.i).val(currentpercentage + '%');                 }             });             $.ajax({                 type: 'post',                 url: 'lib/multipr-process.html',                 data: $('#check').serialize(),                 success: function (data) {                     $("#result").html(data); // apple                     $("#progressbar").knob().hide();                 }             });             e.preventdefault();         } // ending else     }); });

not purpose here or how $urls1 composed, comes mind as possibility, @ least inspiration:

php returns:

echo json_encode($urls1);

ajax success function:

success: function (data) {   $("#progressbar").knob().hide();    var total = data.length;   var counter = 0;           var dt = setinterval(function() {     if ( !data[counter] ) { clearinterval(dt); }     else { $("#result").html((counter/total) * 100); }     //else { console.log(data[counter]); }     counter++;   }, 2000); // slowed down, if works set 20   }

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