Which of the following is/are true about JavaScript object properties? A. To use dot notation, a...

Which of the following is/are true about JavaScript object properties?

A. To use dot notation, a property name must be a valid JavaScript identifier

B. All properties are automatically locally scoped but may be accessed by using ‘prototype’

C. Variables declared with var inside constructor functions are locally scoped and cannot be directly accessed as properties

D. Variables declared with var inside constructor functions are globally scoped

E. Properties that contain boolean values may not be accessed with bracket notation and are only accessible through “.” operation

Solutions

Expert Solution

A. To use dot notation, a property name must be a valid JavaScript identifier. TRUE

B. All properties are automatically locally scoped but may be accessed by using ‘prototype’. TRUE

C. Variables declared with var inside constructor functions are locally scoped and cannot be directly accessed as properties. TRUE

D. Variables declared with var inside constructor functions are globally scoped. FALSE

E. Properties that contain boolean values may not be accessed with bracket notation and are only accessible through “.” operation. FALSE

venereology answered 1 year ago

Next > < Previous

Related Solutions

Which of the following statements is true about life? A) An object that uses energy is...

Which of the following statements is true about life? A) An object that uses energy is by definition, alive B) All living organisms reproduce sexually C) All living organisms have the capacity to grow

Which of the following statements about a compound is true? A. The physical and chemical properties...

Which of the following statements about a compound is true? A. The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed. B. Only the physical properties of a compound are usually the same as those of the elements from which it is formed. C. Only the chemical properties of a compound are usually the same as those of the elements from which it is formed. D. The physical...

Which of the following is true about fringe benefits? Which of the following is true about...

Which of the following is true about fringe benefits? Which of the following is true about fringe benefits? They represent additional compensation given for services performed They are only available for employees. The amount of the fringe benefit is never subject to income tax. They represent additional cash paid directly to employees.

How to determine whether the following statements about big-O notation are true or false? (a) Let...

How to determine whether the following statements about big-O notation are true or false? (a) Let f(n) = √ n log n − 4, then f(n) = O(n^ 2) (b) Let f(n) = 4 n + 2 log^ 2 (n), then f(n) = O(log^ 2 (n)) (c) Let f(n) = 5 √ n + 2, then f(n) = Ω(log^ 4 (n)) (d) Let f(n) = 5 n^ 2 + 5 n log n + 4, then f(n) = O(n^3 )...

(17). Which of the following is not true about financial leases and the firms that use them?...

(17). Which of the following is not true about financial leases and the firms that use them? (a). Primary motivation is to obtain financial benefits (b). Usually they are long term, (c). Most often used when firms want freedom/flexibility, (d). Length is usually shorter than the life of the equipment. (18). Which is usually not included in planning the statement of work? (a). Work approvals, (b). Process flows in the supplier’s facility, (c). Use of subcontractors, (d). Authorized personnel. (19). Which of the following is not an alternative method of purchasing...

Which of the following statements is true about the use of a single, firm-wide cost of...

Which of the following statements is true about the use of a single, firm-wide cost of capital for evaluating all of a firm's investment projects? Question 6 options: A) Firms do not ever do that, nor should they. B) Firms that operate in multiple divisions, spanning the globe, can view their cost-of-capital calculation as diversifiable and thus use a single cost-of-capital. C) Firms operating in a single, narrow line of business are most likely to appropriately use one cost of...

Molecular Structure and Physical Properties Consider the following statements and determine which are true and which...

Molecular Structure and Physical Properties Consider the following statements and determine which are true and which are false. true/false SeF4 has a see-saw structure. true/false KrF4 is a polar molecule. true/false NO3- has three resonance Lewis structures. true/false Bond angles for IF6+ are 90 °. true/false Selenium tetrafluoride (SeF4) is a non-polar molecule. true/false The formal oxidation state of an atom in a molecule (or molecular ion) can be calculated as: (the number of valence electrons on a free atom) minus (half the number of electrons...

Which of the following is ALWAYS true. a) An object experiencing a constant negative acceleration has...

Which of the following is ALWAYS true. a) An object experiencing a constant negative acceleration has a decreasing momentum. b) If an object has a constant acceleration, its kinetic energy is changing at a constant rate. c) If an object has a zero net force acting on it, its kinetic energy is constant. d) If an object's kinetic energy is constant, there is no net force acting on it. e) If an object's kinetic energy is increasing there is a...

Which of the following statements about correlation are true?

4. Correlation basics Which of the following statements about correlation are true? Check all that apply Correlation is a numerical value between 1.1 and 2. The sign of the correlation indicates the strength or consistency of the linear relationship between two variables. A negative correlation means that two variables tend to change in opposite directions The correlation indicates the strength and the direction of the linear relationship between two variables If the correlation between two variables is 0, there is no clear linear relationship between the...

Which of the following statements about genetics is TRUE?

Which of the following statements about genetics is TRUE? a. A mutation is any change in DNA that is harmful to an organism. b. Genetic disorders are always caused by the inheritance of recessive alleles. c. The red queen hypothesis proposes that asexual reproduction evolved in organisms to increase genetic variation, and therefore, improve resilience in ever-changing environments. d. Natural selection acts directly on the phenotype and indirectly on the genotype.

Subjects