Map markers for Google Places search not displaying properly

I am currently working on a demo to showcase the functionality of a future search feature. My goal is to query Google for information based on an address or area and then display the area bounds along with nearby places. To achieve this, I am utilizing tools like places autocomplete, geocode, and places search.

Up to this point, I have managed to receive predicted search queries which are then used to draw a rectangle representing the bounds on my map. However, I have encountered an issue when trying to add markers for the place search results as they do not appear on the map. Despite confirming that the search is functioning correctly by displaying lat/lng values in the createMarker function, I suspect that the map object may not be properly passed to the createMarker function.

Although I attempted to pass an additional parameter, it did not yield the desired outcome. It's worth mentioning that I can successfully create a marker within the initialize function when attempting to generate a single static marker.

UPDATE: I experimented with removing the type parameter from the place search request, but even adding the parameter ['store'] did not resolve the issue.


var map;
var infowindow;

function initialize() {
    // JavaScript code goes here...
}

Answer №1

It appears that you are facing a JavaScript scope issue.

Take a look at these lines of code:

    function initialize() {
      //...
      var map = new google.maps.Map(map_canvas, map_options)
      //...
     }

The map variable being declared inside the initialize function restricts its accessibility outside of the function.

As a result, when trying to access it in your searchform, map.setCenter() may throw an error indicating that map is undefined.

There are several ways to resolve this issue.

  1. Declare map at the beginning of your script (before initialize is executed).
  2. Include the
    searchform.addEventListener("submit", function(){})
    within your initialize() function and ensure it is used before the completion of initialize().

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