Development - Java Script - Operators

Assignment Operators is following type of operator ______________.

A.  Binary

B.  Unarry

C.  Ternary

D.  None of these

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"Add and Assignment" operator is shown by this symbol.

A.  +==

B.  +=

C.  ==+

D.  =+

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Which of the following operators not comes under assignment Operator ?Select all possible options.

A.  =

B.  %=

C.  ==

D.  +=

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"===" operator is _______________.

A.  Is equal to

B.  Is identical (is equal to and is of the different type)

C.  Is identical (is equal to and is of the same type)

D.  None of these

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"+=" operator can operate on following data values.

A.  Float

B.  String

C.  Integer

D.  All Options

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Which of the following is not an logical operator ?

A.  &&

B.  ||

C.  !

D.  |

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Which of the following operator is used to concatenate two strings.

A.  Dot

B.  Arrow

C.  Comma

D.  Plus

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What type of value gets printed if we add following two variables. var a = "1"; var b = 5;  

A.  Integer

B.  Long

C.  Number

D.  Text

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"++" is __________ type of operator.

A.  Ternary

B.  Binary

C.  Unary

D.  None of these

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"++" can operate only on ________________.

A.  Constants

B.  Text

C.  Variables

D.  None of these

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Integer Variable + Character Variable + Undefined Variable = ______________ Value

A.  Undefined Value

B.  Integer

C.  Character

D.  Text / String Value

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Which of the following is not a comparison operator ?

A.  ++

B.  

C.  >=

D.  ==

E.  ===

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What will be the output of the following script ? var x = 5; document.write(x === "5");  

A.  5

B.  True

C.  1

D.  False

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What will be the output of the following script ? var x = 5; document.write(x == "5");  

A.  false

B.  5

C.  true

D.  Undefined

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Adding String and Integer always results in _________.

A.  Character

B.  Integer

C.  String

D.  None of these

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JavaScript contains a _________________ that assigns a value to a variable based on some condition.

A.  Bitwise Operator

B.  Logical Operator

C.  Assignment operator

D.  Conditional operator

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Guess the ternary operator used in the following example !!! marks = (mark

A.  Conditional Operator

B.  Logical Operator

C.  Bitwise Operator

D.  Colon Operator

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Conditional Operator shown in the following example is _____________. marks = (mark

A.  Unary Operator

B.  Binary Operator

C.  Ternary Operator

D.  None Of These

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Which of the following is not considered a JavaScript operator?

A.  new  

B.  this  

C.  delete  

D.  typeof  

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______method evaluates a string of JavaScript code in the context of the specified object.

A.  Eval

B.  ParseInt

C.  ParseFloat

D.  Efloat

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The syntax of Eval is ________________

A.  [objectName.]eval(numeri).

B.  [objectName.]eval(string)

C.  [EvalName.]eval(string)

D.  [EvalName.]eval(numeri).

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