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How can I round a number in JavaScript? .toFixed() returns a string?
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var someNumber = 123.456;
someNumber = parseFloat(someNumber.toFixed(2));
alert(typeof(someNumber));
//alerts number
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Stop “developer tools access needs to take control of another process for debugging to continue” ale
...r for the first time after logging in, I'm prompted with the following two alerts:
9 Answers
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Which keycode for escape key with jQuery
...cument).keypress(function(e) { y=e.keyCode?e.keyCode:e.which;}); When I alert(y), it alerts 27 in IE and FF. Are you sure there's not something else wrong with your code?
– Salty
Jul 21 '09 at 15:51
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How can I check if an element exists in the visible DOM?
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I simply do:
if(document.getElementById("myElementId")){
alert("Element exists");
} else {
alert("Element does not exist");
}
It works for me and had no issues with it yet...
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How to wait until an element exists?
..., time) {
if(document.querySelector(selector)!=null) {
alert("The element is displayed, you can put your code instead of this alert.")
return;
}
else {
setTimeout(function() {
waitForElementToDisplay(selector, time);
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Where's my JSON data in my incoming Django request?
...ON(myEvent),
dataType: 'text',
success: function(result) {
alert(result.Result);
}
});
Django:
def save_events_json(request):
if request.is_ajax():
if request.method == 'POST':
print 'Raw Data: "%s"' % request.body
return HttpResponse("OK")
Dja...
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...
Get month name from Date
...return this.getMonthName().substr(0, 3);
};
// usage:
var d = new Date();
alert(d.getMonthName()); // "October"
alert(d.getShortMonthName()); // "Oct"
These functions will then apply to all javascript Date objects.
s...
How do I check if an array includes a value in JavaScript?
... }
}
return false;
}
And now you can simply use the following:
alert([1, 2, 3].contains(2)); // => true
alert([1, 2, 3].contains('2')); // => false
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Why does Javascript getYear() return 108?
... stick with the old behavior
This outputs 99 in all browsers:
javascript:alert(new Date(917823600000).getYear());
This outputs 108 in FF/WebKit, and 2008 in Opera/IE:
javascript:alert(new Date().getYear());
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