Question 31 : The script tag must be placed in __________
1. the head tag
2. the head or body
3. the title or head
4. after the body tag
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Question 32 : Among the following, which one is a ternary operator?
1. +
2. :
3. -
4. ?:
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Question 33 : What will happen if reverse() and join() methods are used simultaneously?
1. Reverses and stores in the same array
2. Reverses and concatenates the elements of the array
3. Reverses
4. Stores the elements of array in normal order
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Question 34 : What must be done in order to implement Lexical Scoping?
1. Get the object
2. Dereference the current scope chain
3. Reference the current scope chain
4. Return the value
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Question 35 : Which attribute is used to specify that the script is executed when the page has finished parsing? (only for external scripts)
1. parse
2. a sync
3. defer
4. type
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Question 36 : The property of a primary expression is ____________
1. stand-alone expressions
2. basic expressions containing all necessary functions
3. contains variable references alone
4. contains only keywords
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Question 37 : The enumeration order becomes implementation dependent and non-interoperable if:
1. If the object inherits enumerable properties
2. The object does not have the properties present in the integer array indices
3. The delete keyword is never used
4. Object.defineProperty() is not used
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Question 38 : To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the ____________
1. isPrototypeOf() method
2. equals() method
3. === operator
4. ==opertor
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Question 39 : What is the opposite approach to the lexical scoping?
1. Literal scoping
2. Static scoping
3. Dynamic scoping
4. Generic scoping
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Question 40 : The function definitions in JavaScript begins with
1. Identifier and Parentheses
2. Return type and Identifier
3. Return type, Function keyword, Identifier and Parentheses
4. Identifier and Return type
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