Error: InvalidValueError: setCenter: not LatLng or LatLngLiteral: in properties lat: not a number

function initAutocomplete() {
    var lat=document.getElementById('lat').value;
    var lng=document.getElementById('lng').value;
    console.log(lat);
    console.log(lng);


    var map = new google.maps.Map(document.getElementById('map'), {
      center: {lat:lat, lng:lng},
      zoom: 13,
      mapTypeId: 'roadmap'
    });}

      

it throws the following error:

error: InvalidValueError: setCenter: not LatLng or LatLngLiteral: in property lat: not a number

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2 answers


The attribute .value

HTMLInputElement

returns a value as a string.

You need to parse the content lat

and lng

using parseFloat()

before passing it to the Maps API



function initAutocomplete() {
    var lat = parseFloat(document.getElementById('lat').value);
    var lng = parseFloat(document.getElementById('lng').value);

    var map = new google.maps.Map(document.getElementById('map'), {
        center: {
            lat: lat,
            lng: lng
        },
        zoom: 13,
        mapTypeId: 'roadmap'
    });
}

      

+13


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Just add "+" in front of your variables:



function initAutocomplete() {
var lat=document.getElementById('lat').value;
var lng=document.getElementById('lng').value;

var map = new google.maps.Map(document.getElementById('map'), {
  center: {lat: +lat, lng: +lng},
  zoom: 13,
  mapTypeId: 'roadmap'
});}

      

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