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Regex using javascript to return just numbers
...var numberPattern = /\d+/g;
value = value.match( numberPattern ).join([]);
alert(value);
//Show: 675805714
Now you get the digits joined
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follo...
How does “this” keyword work within a function?
...at's attached to an object
var foo = {};
foo.someMethod = function(){
alert(this);
}
When invoked as a method, this will be bound to the object the function/method is a part of. In this example, this will be bound to foo.
As A Function
If you have a stand alone function, the this variable ...
JavaScript OR (||) variable assignment explanation
... " messages.";
var noNewMessagesText = "Sorry, you have no new messages.";
alert((messages && newMessagesText) || noNewMessagesText);
Inside the alert, we check if messages is falsy, and if yes, then evaluate and return noNewMessagesText, otherwise evaluate and return newMessagesText. Sinc...
$(this).val() not working to get text from span using jquery
...nth").live("click", function () {
var monthname = $(this).text();
alert(monthname);
});
Or in jQuery 1.7+ use on() as live is deprecated:
$(document).on('click', '.ui-datepicker-month', function () {
var monthname = $(this).text();
alert(monthname);
});
.val() is for input typ...
Can an Option in a Select tag carry multiple values?
...ommend you use $.parseJSON($(this).val()) in the change event to get a javascript object, assuming you need to get at each value separately.
– Lucas B
Jul 25 '12 at 21:29
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using jquery $.ajax to call a PHP function
This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
...
back button callback in navigationController in iOS
...otViewControllerAnimated:YES];
}
Then you can do things like raise an UIAlertView to confirm the action, then pop the view controller, etc.
Or instead of creating a new backbutton, you can conform to the UINavigationController delegate methods to do actions when the back button is pressed.
...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...
return View(member);
}
}
And in display add:
<div class="alert alert-danger">
@Html.ValidationMessage("keyName")
</div>
OR
<div class="alert alert-danger">
@Html.ValidationSummary(false)
</div>
...
javascript check for not null
...
this will do the trick for you
if (!!val) {
alert("this is not null")
} else {
alert("this is null")
}
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follo...
JavaScript REST client Library [closed]
...amp;Age=10', // or $('#myform').serializeArray()
success: function() { alert('PUT completed'); }
});
You can replace PUT with GET/POST/DELETE or whatever.
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