LogoLearning For Everyone
Take Quiz
Contact Us
Related Topics
Related Topics
Selected Topic: All
2. The main purpose of a “Live Wire” in NetScape is to ________
Choose the correct option:
  • 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

A Live Wire database driver also supports a number of non-relational databases.

9. “An expression that can legally appear on the left side of an assignment expression.” is a well known explanation for variables, properties of objects, and elements of arrays. They are called ___________
Choose the correct option:
  • a) Properties

  • b) Prototypes

  • c) Lvalue

  • d) Definition

lvalue is a historical term that means “an expression that can legally appear on the left side of an assignment expression.” In JavaScript, variables, properties of objects, and elements of arrays are lvalues.

2. What are the three important manipulations done in a for loop on a loop variable?
Choose the correct option:
  • a) Updation, Incrementation, Initialization

  • b) Initialization,Testing, Updation

  • c) Testing, Updation, Testing

  • d) Initialization,Testing, Incrementation

In a for loop, the initialization, the test, and the update are the three crucial manipulations of a loop variable. Firstly the loop initialiases the variable then test the condition and then after executing the statement increments its value.

7. What will be the step of the interpreter in a jump statement when an exception is thrown?
Choose the correct option:
  • a) The interpreter stops its work

  • b) The interpreter throws another exception

  • c) The interpreter jumps to the nearest enclosing exception handler

  • d) The interpreter throws an error

When an exception is thrown in a jump statement, the interpreter jumps to the nearest enclosing exception handler, which may be in the same function or up the call stack in an invoking function.

1. The unordered collection of properties, each of which has a name and a value is called _________
Choose the correct option:
  • a) String

  • b) Object

  • c) Serialized Object

  • d) Array

Objects in JavaScript may be defined as an unordered collection of related data, of primitive or reference types, in the form of “key:value” pairs. Hence each of the property has a name and value.

Items per page: