在同一域请求上获取JavaScript错误'access-control-allow-origin'

Question

CORS策略阻止从起源'https://www.happydesertsafari.com'访问'https://happydesertsafari.com/happy-new/getlocations.php?getall=true&_=1578818763165'的XMLHttpRequest:请求的资源上没有'access-control-allow-origin'标头。

var dropdownData = [];
   $.ajax({
     url: 'getLocations.php',
     dataType: "json",
     data: 'getAll=true',
     cache: false,
     success: function(employeeData) {
     dropdownData = employeeData
        }
    });

Answer 1

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header('Access-Control-Allow-Origin: *');

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jQuery.support.cors = true;
$.ajax({
 url: "getLocations.php",
 dataType: "json",
 data: 'getAll=true',
 cache: false,
 success: function(employeeData) {
 dropdownData = employeeData
    },
error: function(jqXHR, textStatus, ex) {
    alert(textStatus + "," + ex + "," + jqXHR.responseText);
  }
});