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In Javascript/jQuery what does (e) mean?
I am new to JavaScript/jQuery and I've been learning how to make functions. A lot of functions have cropped up with (e) in brackets. Let me show you what I mean:
...
How do I catch an Ajax query post error?
... data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert("some error");
}
});
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REST authentication and exposing the API key
...then if it's just the sign that's passed...isn't that still exposed in javascript...so if I put a flicker photo on my webpage via their API (called by javascript), and you visit my page, aren't I exposing my API key to anyone who visits my page?
– tjans
Mar 29 ...
XML parsing of a variable string in JavaScript
...want.
Example usage:
var xml = parseXml("<foo>Stuff</foo>");
alert(xml.documentElement.nodeName);
If you're using jQuery, from version 1.5 you can use its built-in parseXML() method, which is functionally identical to the function above.
var xml = $.parseXML("<foo>Stuff</fo...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...ne:
Allows an application to open windows using the type
TYPE_SYSTEM_ALERT, shown on top of all other applications.
Very few applications should use this permission; these windows are intended
for system-level interaction with the user.
Constant Value: "android.permission.SYSTEM_ALER...
How to “properly” create a custom object in JavaScript?
...ot that if you detach a method from its owner:
var ts= mycircle.toString;
alert(ts());
then this inside the method won't be the Circle instance as expected (it'll actually be the global window object, causing widespread debugging woe). In reality this typically happens when a method is taken and ...
Set cursor position on contentEditable
...set);
} else {
// Failure here, not handled by the rest of the script.
// Probably IE or some older browser
}
};
// Recalculate selection while typing
editable.onkeyup = captureSelection;
// Recalculate selection after clicking/drag-selecting
editable.onmousedown = function...
How can I detect if a browser is blocking a popup?
...
try {
popup_window.focus();
} catch (e) {
alert("Pop-up Blocker is enabled! Please add this site to your exception list.");
}
}
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Find if variable is divisible by 2
... The first code I ever wrote was in JavaScript, and that was a "welcome" alert box popup. The year was 1997 and it was for my Geocities homepage. We definitely all start somewhere (some formal training helps, too, though).
– Mike Atlas
May 13 '10 at 16:23
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Parse query string in JavaScript [duplicate]
....aspx?dest=aboutus.aspx').query(true); // == { dest : 'aboutus.aspx' }
alert(qs.dest); // == aboutus.aspx
And to parse the query string of current page:-
var $_GET = URI(document.URL).query(true); // ala PHP
alert($_GET['dest']); // == aboutus.aspx
...