spinn_mit/js/functions.js

function start(){
    let  url = "system/alleMarkerHolen.php";
    fetch(url)
      .then((response) => {
        return response.json();
      })
      .then((markerData) => {
       console.log(markerData)

       
       
      })
      .catch(function(error) {
        console.log('Error: ' + error.message);
      });
  }