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How to check if Google Maps API (v3) is loaded?
I do not want to execute mapping scripts if the API did not load due to internet connectivity problems (web page is hosted locally).
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if (google. maps) {...} will give you a reference error if google is undefined (i.e. if the API didn't load). Instead, use if (typeof google === 'object' && typeof google. maps === 'object') {...} to check if it loaded successfully.
There are a several reasons why your google maps may not be working, the most common issue being no Google Map API key set or set incorrectly. To use the Google Maps JavaScript API, you must register your app project on the Google Cloud Platform Console and get a Google API key which you can add to your app.
if (google.maps) {...} will give you a reference error if google is undefined (i.e. if the API didn't load).
Instead, use if (typeof google === 'object' && typeof google.maps === 'object') {...} to check if it loaded successfully.
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