How to Reliably Detect When Google Maps is Fully Loaded on Your Website?

Detecting Google Maps Full Load

To embed Google Maps onto a website, it's crucial to identify when it's fully loaded, including all tile downloads. This is essential for initiating subsequent JavaScript processes.

The "tilesloaded()" Method

The "tilesloaded()" method is intended to serve this purpose, but it has proven unreliable.

A Reliable Solution Using the "idle" Event

There's a more efficient approach utilizing the "idle" event:

<code class="javascript">google.maps.event.addListenerOnce(map, 'idle', function(){
    // execute actions upon initial map load
});</code>

The "idle" event triggers once the map reaches idle state, indicating complete loading (or failure). It has proven to be more dependable than alternative events like "tilesloaded()" and "bounds_changed." By using "addListenerOnce," the specified code executes only on the initial "idle" event, preventing redundant execution.

Refer to the Google Maps Reference for more information on events.

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