javascript - How to fetch JSON from a php script -

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i able plot list of point on google map using :

(function() {      window.onload = function() {          var map = new google.maps.map(document.getelementbyid("map"), {           center: new google.maps.latlng(41.6, -0.88),           zoom: 12,           maptypeid: google.maps.maptypeid.roadmap         });           // creating json data           var json = [                 {             "nombre": "name1",             "lat": "41.653",             "long": "-0.907922",          },         {             "nombre": "name2",             "lat": "41.6693",             "long": "-0.891317",          },          {             "nombre": "name3",             "lat": "41.6502",             "long": "-0.875212",         }     ];           var infowindow = new google.maps.infowindow();          (var = 0, length = json.length; < length; i++) {             var data = json[i],                 latlng = new google.maps.latlng(data.lat, data.long);              // creating marker , putting on map             //var iconbase = 'https://dea-srl.net/domenico/traking/js/';             var iconbase = 'https://maps.google.com/mapfiles/kml/shapes/';             var marker = new google.maps.marker({                 position: latlng,                 map: map,                 title: data.nombre,                 icon: iconbase + 'schools_maps.png'                 });              (function(marker, data) {                  // attaching click event current marker                 google.maps.event.addlistener(marker, "click", function(e) {                     infowindow.setcontent(data.nombre);                     infowindow.open(map, marker);                 });              })(marker, data);         }     }  })();

it works well, need read location json string format generated this:

{     "locations": [         {             "nombre": "name1",             "lat": "41.6504",             "long": "-0.879137",          },         {             "nombre": "name2",             "lat": "41.6405",             "long": "-0.893266",          }      ] }

this json generated froma php script, thaht available url like: http://myscript.php.

my question is, how can fetch json php script , put javascript variable?

the objects have same structure.

where says json.length , json[i], use yourvariable.locations.length , yourvariable.locations[i], respectively.


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