大约有 45,778 项符合查询结果（耗时：0.0378秒） [XML]
jQuery.inArray(), how to use it right?
First time I work with jQuery.inArray() and it acts kinda strange.
20 Answers
20
...
When is JavaScript synchronous?
...vaScript was always asynchronous. However, I have learned that there are situations where it is not (ie DOM manipulations). Is there a good reference anywhere about when it will be synchronous and when it will be asynchronous? Does jQuery affect this at all?
...
What's the best strategy for unit-testing database-driven applications?
I work with a lot of web applications that are driven by databases of varying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modul...
Static variables in JavaScript
... "type" but not to an instance.
An example using a "classical" approach, with constructor functions maybe could help you to catch the concepts of basic OO JavaScript:
function MyClass () { // constructor function
var privateVariable = "foo"; // Private variable
this.publicVariable = "bar"; ...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...
WebSockets is definitely the future.
Long polling is a dirty workaround to prevent creating connections for each request like AJAX does -- but long polling was created when WebSockets didn't exist. Now due to WebSockets,
long polling is going...
Do checkbox inputs only post data if they're checked?
Is it standard behaviour for browsers to only send the checkbox input value data if it is checked upon form submission?
12 ...
What is the difference between string primitives and String objects in JavaScript?
...
JavaScript has two main type categories, primivites and objects.
var s = 'test';
var ss = new String('test');
The single quote/double quote patterns are identical in terms of functionality. That aside, the behaviour you are trying to name is called auto-boxing. So what...
Why Response.Redirect causes System.Threading.ThreadAbortException?
...
The correct pattern is to call the Redirect overload with endResponse=false and make a call to tell the IIS pipeline that it should advance directly to the EndRequest stage once you return control:
Response.Redirect(url, false);
Context.ApplicationInstance.CompleteRequest();
...
When should TaskCompletionSource be used?
AFAIK, all it knows is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property.
...
Accessing private member variables from prototype-defined functions
...
No, there's no way to do it. That would essentially be scoping in reverse.
Methods defined inside the constructor have access to private variables because all functions have access to the scope in which they were defined.
Methods defined on a ...