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javascript - How to check if Google Maps API is loaded?

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.


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