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How to find the sum of an array of numbers
...ray is built
// from user input as it may be exploited eg:
eval([1,"2;alert('Malicious code!')"].join('+'))
Of course displaying an alert isn't the worst thing that could happen. The only reason I have included this is as an answer Ortund's question as I do not think it was clarified.
...
Use dynamic (variable) string as regex pattern in JavaScript
...this is #abc# some #abc# stuff.";
var output = input.replace(regex, "!!");
alert(output); // Hello this is !! some !! stuff.
JSFiddle demo here.
In the general case, escape the string before using as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [....
event.preventDefault() function not working in IE
...ault always works
$("mootoolsbutton").addEvent('click', function(event) {
alert(typeof(event.preventDefault));
});
// preventDefault missing in IE
<button
id="htmlbutton"
onclick="alert(typeof(event.preventDefault));">
button</button>
For all jQuery users out there you can fix ...
How do I add a delay in a JavaScript loop?
...t triggers one after the other in quick succession. That is why your first alerts pops up after 3 seconds, and all the rest follow in succession without any delay.
You may want to use something like this instead:
var i = 1; // set your counter to 1
function myLoop() { ...
How do I implement onchange of with jQuery?
..., so the way to do it is
$('input.myTextInput').on('input',function(e){
alert('Changed!')
});
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Deleting array elements in JavaScript - delete vs splice
...myArray[2];
for (var count = 0; count < myArray.length; count++) {
alert(myArray[count]);
}
Whereas this will display "a", "b", "d"
myArray = ['a', 'b', 'c', 'd']; myArray.splice(2,1);
for (var count = 0; count < myArray.length; count++) {
alert(myArray[count]);
}
...
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
... This answer worked the best for me when trying to display an alert. The alert wouldn't show when I put it into viewDidLoad and viewWillAppear.
– uplearnedu.com
Jan 7 '16 at 21:31
...
log4net hierarchy and logging levels
...e); // 80 000
TraceLevel(Level.Critical); // 90 000
TraceLevel(Level.Alert); // 100 000
TraceLevel(Level.Fatal); // 110 000
TraceLevel(Level.Emergency); // 120 000
TraceLevel(Level.Off); //2147483647
private static void TraceLevel(log4net.Core.Level level)
{
Debug.WriteLine("...
How can I send mail from an iPhone application
...oller animated:YES completion:NULL];
}
else{
UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"alrt" message:nil delegate:self cancelButtonTitle:@"ok" otherButtonTitles: nil] ;
[alert show];
}
}
-(void)mailComposeController:(MFMailCompos...
How do I use $rootScope in Angular to store variables?
...m root scope somehow
//use var b
$scope.value = $rootScope.test;
alert($scope.value);
// var b = $rootScope.test;
// alert(b);
});
DEMO
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