gs gs106 Classes and Modules - Augmentation of JavaScript Classes - Quiz No.1
gs gs106 Javascript Quiz
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Question 1: The four kinds of class members are ________
Instance methods, Instance fields, Static method, Dynamic method
Instance fields, Instance methods, Class fields, Class methods
Instance fields, Non-instance fields, Dynamic methods, Global methods
Global methods, Local methods, Dynamic methods, Static methods
Question 2: Different kinds of the object involved in a class definition are ________
Public object, Private object, Protected object
Constructor object, Function object, Destructor object
Constructor object, Prototype object, Instance object
Instance method, Static object, Dynamic object
Question 3: The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is ________
Instance object
Constructor object
Destructor object
Prototype object
Question 4: Which variables are used internally in object methods and are also globally visible?
Object properties
Variable properties
Method properties
Internal properties
Question 5: The class that represents the regular expressions is ________
RegExpObj
RegExpClass
RegExp
StringExp
Question 6: The different variant of Date() constructor to create date object is/are ___________
i. new Date(date)
ii. new Date(milliseconds)
iii. new Date(date string)
iv. new Date(year, month, date[hour, minute, second, millisecond])
i. new Date(date)
ii. new Date(milliseconds)
iii. new Date(date string)
iv. new Date(year, month, date[hour, minute, second, millisecond])
i, ii and iii only
ii, iii and iv only
i, ii and iv only
i, ii, iii and iv
Question 7: Which is the correct code that returns a complex number that is the complex conjugate of this one?
Complex.prototype.conj = function() { return new Complex(this.r, -this.i); };
Complex.prototype.conj = function() { return Complex(this.r, -this.i); };
Complex.prototype.conj = function() { return (this.r, -this.i); };
Complex.prototype.conj = function() { new Complex(this.r, -this.i); };
Question 8: How can we make methods available on all objects?
Object.add(methods)
Object.methods(add)
Object.add.methods(…)
Object.prototype
Question 9: What is the procedure to add methods to HTMLElement so that they will be inherited by the objects that represent the HTML tags in the current document?
HTMLElement.prototype(…)
HTMLElement.prototype
HTML.addmethods()
HTML.elements(add)
Question 10: You can refresh the webpage in JavaScript by using ________
window.reload
location.reload
window.refresh
page.refresh
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