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How to round up a number in Javascript?
...) / Math.pow(10, rlength);
return newnumber;
}
Call the function as
alert(roundNumber(192.168,2));
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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...
(Deep) copying an array using jQuery [duplicate]
...r is a copy, not a reference... so if you did this next...
bar.push('f');
alert('foo:' + foo.join(', '));
alert('bar:' + bar.join(', '));
you would now get:
foo:a, b, c, d, e
bar:a, b, c, d, e, f
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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:
...
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...
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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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
...
Can I apply the required attribute to fields in HTML5?
...te on the server anyway, as you can’t guarantee that users will have JavaScript enabled.)
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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 add an object to an array
How can I add an object to an array (in javascript or jquery)?
For example, what is the problem with this code?
13 Answ...