Which of the operator is used to test if a particular property exists or not?

The development environment offers which standard construct for data validation

A. Super controlled loop constructs

B. Case sensitivity check

C. Validation constructs

D. All of the mentioned

The main purpose of a “Live Wire” in NetScape is to

A. Create linkage between client side and server side

B. Permit server side, JavaScript code, to connect to RDBMS

C. Support only non relational database

D. To interpret JavaScript code

The script tag must be placed in

A. head

B. head and body

C. title and head

D. all of the mentioned

A JavaScript program developed on a Unix Machine

A. will throw errors and exceptions

B. must be restricted to a Unix Machine only

C. will work perfectly well on a Windows Machine

D. will be displayed as a JavaScript text on the browser