I have a rather standard Google Maps page, using my own API key. The page only does some marker additions by JS and presenting it in a text-box. If the key is invalid or expired or whatever, the following page is displayed.
That is fine, but then I would like to at lest tell the user why it is wrong. The map is accessed by standard:
...
<script type="text/javascript"
src=""></script>
</head>
<body>
<div id="map"></div>
<p><input type="text" "readonly" id="status" size=40></p>
...
However, I would like to check that the API key is working and valid, and tell the user if the key is OK or not in that text box.
How can I do that?
PS. The problem with using a callback function in the src=, is that it returns regardless what is the API status, but not actually the status itself. Here is a kludge solution of this.
EDIT: I found an answer in the obscurely and poorly documented callback function, gm_authFailure(), and solved my question with:
function gm_authFailure() {
let apiError = "No or invalid API key!"
document.getElementById('status').value = apiError;
};
You don't even need to specify this callback in your URL, it will use it anyway!
I have a rather standard Google Maps page, using my own API key. The page only does some marker additions by JS and presenting it in a text-box. If the key is invalid or expired or whatever, the following page is displayed.
That is fine, but then I would like to at lest tell the user why it is wrong. The map is accessed by standard:
...
<script type="text/javascript"
src="http://maps.google./maps/api/js?key=API_KEY"></script>
</head>
<body>
<div id="map"></div>
<p><input type="text" "readonly" id="status" size=40></p>
...
However, I would like to check that the API key is working and valid, and tell the user if the key is OK or not in that text box.
How can I do that?
PS. The problem with using a callback function in the src=, is that it returns regardless what is the API status, but not actually the status itself. Here is a kludge solution of this.
EDIT: I found an answer in the obscurely and poorly documented callback function, gm_authFailure(), and solved my question with:
function gm_authFailure() {
let apiError = "No or invalid API key!"
document.getElementById('status').value = apiError;
};
You don't even need to specify this callback in your URL, it will use it anyway!
Share edited Mar 4, 2018 at 22:15 not2qubit asked Mar 4, 2018 at 21:43 not2qubitnot2qubit 17.2k9 gold badges118 silver badges160 bronze badges 1- Have you found a way to get the specific error message details from within gm_authFailure function ? – Fausto R. Commented Oct 1, 2019 at 13:45
1 Answer
Reset to default 4Add this:
function gm_authFailure() { alert('yo'); };
In the global scope. Per this:
https://developers.google./maps/documentation/javascript/events#auth-errors
发布者：admin，转转请注明出处：http://www.yc00.com/questions/1744933602a4601883.html
评论列表（0条）