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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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How to check if function exists in JavaScript?
...lder versions of IE treat certain functions as objects, e.g. typeof window.alert === 'object'.
– Noyo
Sep 4 '13 at 13:51
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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...
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...
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 ...
$(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...
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.
...
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>
...
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.
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Rails 4: how to use $(document).ready() with turbo-links
...
Here's what I do...
CoffeeScript:
ready = ->
...your coffeescript goes here...
$(document).ready(ready)
$(document).on('page:load', ready)
last line listens for page load which is what turbo links will trigger.
Edit...adding Javascript vers...