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I am using Google API, based on their link I have to put the following script in the HTML file
<script src="https://apis.google.com/js/client.js?onload=callback"></script>
The custom callback function is being loaded after the client.js is loaded successfully.
function callback() {
var ROOT = 'https://your_app_id.appspot.com/_ah/api';
gapi.client.load('your_api_name', 'v1', function() {
doSomethingAfterLoading();
}, ROOT);
}
I would like to
Thanks in advance
439
If you are looking for javascript only solution:
var sScriptSrc = "https://apis.google.com/js/client.js?onload=callback"
loadScript(sScriptSrc);
function loadScript(sScriptSrc) {
var oHead = document.getElementsByTagName("HEAD")[0];
var oScript = document.createElement('script');
oScript.type = 'text/javascript';
oScript.src = sScriptSrc;
oHead.appendChild(oScript);
oScript.onload = loadedCallback();
}
function loadedCallback() {
alert("WoHooo I am loaded");
}
See it running here: JSFiddle
EDIT
Let me do some refining, if I understand correctly what you want to achieve:
I made a simple main html page:
<html>
<head>
<script src="client.js"></script>
</head>
<body>
PAGE BODY
</body>
</html>
Which is loading client.js
client.js contains:
// you can call this function with
// param1: src of the script to load
// param2: function name to be executed once the load is finished
function loadScript(sScriptSrc, loadedCallback) {
var oHead = document.getElementsByTagName("HEAD")[0];
var oScript = document.createElement('script');
oScript.type = 'text/javascript';
oScript.src = sScriptSrc;
oHead.appendChild(oScript);
oScript.onload = loadedCallback;
}
// let's load the Google API js and run function GoggleApiLoaded once it is done.
loadScript("https://apis.google.com/js/client.js", GoggleApiLoaded);
function GoggleApiLoaded() {
alert("WoHooo Google API js loaded");
}
Of course, instead of GoggleApiLoaded example function you could run a method which start the loading of different js and the callback of that one could load a next one and so on...
Is this what you were looking for?
123
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