javascript - Not all Loops processed, only 5655 out of 13200 -


i have 2 javascript loops, 1 nested in other, ajax call serverside. loops generate pair of numbers (latlng coordinates), passed server via .getjson() inserted mysql table.

problem: script runs 6 minute, total of 13200 ajax calls. in chrome's webdeveloper tools, says 5656/13646 requests 536.20kb/2.15mb. when check tables inserted entries, see 5655 rows! happened rest?

js code

for(var = 0; < 110; i++) {     var lat_current = lat_start + lat_increment * i;      for(var j = 0; j < 120; j++) {          // calculations         // more code here...          // insert latlng database         $.getjson(base_url + 'insert_latlng_to_crawl',              {                 lat: lat_current,                 lng: lng_current             },              function(json){             });      }  }

you should create javascript object, pass server , process server-side

 var coords=array();//create array store calculations  for(var = 0; < 110; i++) {     var lat_current = lat_start + lat_increment * i;      for(var j = 0; j < 120; j++) {      // calculations     // more code here...      // append results array     coords.push({lat: lat_current, lng: lng_current});   }  //make ajax call server, sending completed array json encoded coords= json.stringify(coords); $.ajax({   type: 'post',//you should send big chunks of data via post   url: url,   data: coords,   success: success,   datatype: json });

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