- Execution context references the ‘environment’ a function executes in; that is, variable scope (and the scope chain, variables in closures from outer scopes), function arguments, and the value of the
thisobject. - Lexical scope is the concept that
Interview Challenges
I am in the process of interviewing and wanted to document all the code challenges I am confronted with.
For every repeating letter in a string, add a “*” between them.
Check if a given number is a power of … Read more
JasonP and Cross Domain Access
In the jQuery ajax request, the use of a callback function wraps our data to allow the cross domain access to happen.
$.ajax({
dataType: 'jsonp',
jsonpCallback: 'jsonCallback',
// ...
This allows us to request the JSON via AJAX using JSONP … Read more
HTML5 localStorage
As an exercise, I wanted to use vanilla javascript and localStorage() to take two items from the input fields, store them in localStorage, then get those stored items and place them as values back into the inputs. Finally clearing all … Read more
HTTP Actions
(Rewritten and taken from http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html)
- OPTIONS
- GET
- HEAD
- POST
- PUT
- DELETE
- TRACE
- CONNECT
1) OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This method allows … Read more
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