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Can I run javascript before the whole page is loaded?
...
Or put it all in a function and put it in <body onload="doIt()>".
– Justin Liu
May 31 at 18:54
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What are the differences between Deferred, Promise and Future in JavaScript?
... has signature like: function (path, callback, context)
and listens to onload && onreadystatechange */
$(function () {
getScript('path/to/CodeMirror', getJSMode);
// onreadystate is not reliable for callback args.
function getJSMode() {
getScript('path/to/CodeMirror/mode...
C# Interfaces. Implicit implementation versus Explicit implementation
... = new CustomerComboBoxPresenter(this);
}
protected override void OnLoad() {
if (!Page.IsPostBack) presenter.HandleFirstLoad();
}
// Primary interface used by web page developers
public Guid ClientId {
get { return new Guid(SelectedItem.Value); }
set { S...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
... const result = await new Promise((resolve, reject) => {
video.onloadedmetadata = () => {
video.play()
video.pause()
// from: https://github.com/kasprownik/electron-screencapture/blob/master/index.js
const canvas = document.createElemen...
Handle file download from ajax post
...uest();
xhr.open('POST', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = function () {
if (this.status === 200) {
var filename = "";
var disposition = xhr.getResponseHeader('Content-Disposition');
if (disposition && disposition.indexOf('attachment') !==...
'UserControl' constructor with parameters in C#
...it is also generally a good idea to put lengthy initialization code in the OnLoad() method, especially since the DesignMode property will work at load time, but not work in the constructor.
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Google Maps: how to get country, state/province/region, city given a lat/long value?
... " + status);
}
});
}
</script>
</head>
<body onload="initialize()">
</body>
</html>
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How do I pass variables and data from PHP to JavaScript?
... }
var oReq = new XMLHttpRequest(); // New request object
oReq.onload = function() {
// This is where you handle what to do with the response.
// The actual data is found on this.responseText
alert(this.responseText); // Will alert: 42
};
oReq.open("get", ...
How can I handle time zones in my webapp?
...p 1. Use the Geolocation of the user using the Geolocation API
window.onload = getMyLocation;
function getMyLocation() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(displayLocation);
} else {
alert("Oops, no geolocation supp...
Ways to circumvent the same-origin policy
...Request("get", "http://www.stackoverflow.com/");
if (request){
request.onload = function() {
// ...
};
request.onreadystatechange = handler;
request.send();
}
Note that for the CORS method to work, you need to have access to any type of server header mechanic and can't simp...