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How can I check if an element exists in the visible DOM?
...
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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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...
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...
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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QLabel: set color of text and background
...based on a parameter passed by a caller.
enum {msg_info, msg_notify, msg_alert};
:
:
void bits::sendMessage(QString& line, int level)
{
QTextCursor cursor = ui->messages->textCursor();
QString alertHtml = "<font color=\"DeepPink\">";
QString notifyHtml = "<font colo...
Run JavaScript when an element loses focus
...ut onblur event :
<input type="text" name="name" value="value" onblur="alert(1);"/>
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How do I install pip on macOS or OS X?
...Got error #notsoeasy Download error on pypi.python.org/simple: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) -- Some packages may not be found! No local packages or download links found for pip error: Could not find suitable distribution for Requirement.parse('pip')
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