Question

Fill in the blanks in each of the following.

1. A _______________ is defined as the set of local variables in a function that are kept alive after the function has returned.

2. All JavaScript objects inherit the properties and functions (or also called methods) from their _______________ that is created using an object constructor function.

3. The _______________ operator removes a given property from an object. (Note that the operator is a keyword, not a symbol.)

4. A ____________________ is a web app that interacts with the user by dynamically rewriting the current page rather than load entire new pages from a server.

5. _______________ is a very common data format used for asynchronous client-server communication, including as a replacement for XML in some AJAX-style systems.

6. A _______________ is a sequence of characters that define a search pattern.

7. A _______________ function is any function that can be used to map data of arbitrary size to data of fixed size that cannot be easily reversed to the original data.

8. In a browser, the window._______________ object is used to store data with no expiration date.

9. The PHP super global array, _______________, is used for uploading files.

Answer 1

a. A _____closure__________ is defined as the set of local variables in a function that are kept alive after the function has returned.

b. All JavaScript objects inherit the properties and functions (or also called methods) from their ____prototype___________ that is created using an object constructor function.

c. The ___delete____________ operator removes a given property from an object. (Note that the operator is a keyword, not a symbol.)

d.A ___single page application_________________ is a web app that interacts with the user by dynamically rewriting the current page rather than load entire new pages from a server.

e._____JavaScript Object Notation (JSON) __________ is a very common data format used for asynchronous client-server communication, including as a replacement for XML in some AJAX-style systems.

f.A ___regular expression____________ is a sequence of characters that define a search pattern.

g. A __hash function_____________ function is any function that can be used to map data of arbitrary size to data of fixed size that cannot be easily reversed to the original data.

h.In a browser, the window.___localStorage____________ object is used to store data with no expiration date.

i.The PHP super global array, __$_FILES__________, is used for uploading files.