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How to override a JavaScript function
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var origParseFloat = parseFloat;
parseFloat = function(str) {
alert("And I'm in your floats!");
return origParseFloat(str);
}
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A CORS POST request works from plain JavaScript, but why not with jQuery?
...ng to make a Cross Origin post request, and I got it working in plain JavaScript like this:
5 Answers
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Origin is not allowed by Access-Control-Allow-Origin
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Since they are running on different ports, they are different JavaScript origin. It doesn't matter that they are on the same machine/hostname.
You need to enable CORS on the server (localhost:8080). Check out this site: http://enable-cors.org/
All you need to do is add an HTTP header to...
How to support placeholder attribute in IE8 and 9
... fields)
https://github.com/chemerisuk/better-placeholder-polyfill
These scripts will add support for the placeholder attribute in browsers that do not support it, and they do not require jQuery!
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var functionName = function() {} vs function functionName() {}
I've recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
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How do I change the number of open files limit in Linux? [closed]
... system-wide limits should be set during the system initialization in init scripts and user limits should be set during user login for example by using pam_limits.
There are often defaults set when the machine boots. So, even though you may reset your ulimit in an individual shell, you may find th...
Determine on iPhone if user has enabled push notifications
...otifications for my app and still got types == 6. Upon disabling sound and alert style, I got types == UIRemoteNotificationTypeNone.
– quantumpotato
Oct 19 '11 at 17:02
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How do I make an HTML button not reload the page
....preventDefault();
alert('page did not reload');
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<form id='submit-form'>
<button type='submit'>submit</button>
</form>
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Moment js date time comparison
... {
$('.result').text('Date is future');
}
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<input type...
Alternative to iFrames with HTML5
...ing the size of the frame to its content is tough, insanely frustrating to script into/out of, nearly impossible to style).
AJAX. As the solutions shown here prove, you can use the XMLHttpRequest object to retrieve data and inject it to your page. It is not ideal because it depends on scripting tech...