Basic And Variables MCQ question and answer in javascript with solution

Home / Javascript / Basic And Variables

51.
The object has three object attributes namely

Answer & Solution Discuss in Board Save for Later

52.
Consider the following code snippet : 
var book = {
    "main title": "JavaScript", 
    'sub-title': "The Definitive Guide", 
    "for": "all audiences", 
    author: { 
      firstname: "David", 
      surname: "Flanagan" 
    }
  };
In the above snippet, firstname and surname are

Answer & Solution Discuss in Board Save for Later

53.
A linkage of series of prototype objects is called as :

Answer & Solution Discuss in Board Save for Later

54.
Consider the below given syntax
book[datatype]=assignment_value;
In the above syntax, the datatype within the square brackets must be

Answer & Solution Discuss in Board Save for Later

55.
To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the

Answer & Solution Discuss in Board Save for Later

56.
Consider the following code snippet 
function f() {};
The above prototype represents a

Answer & Solution Discuss in Board Save for Later

57.
The purpose of extensible attribute is to

Answer & Solution Discuss in Board Save for Later

58.
Identify the process done in the below code snippet 
o = {x:1, y:{z:[false,null,""]}}; 
s = JSON.stringify(o); 
p = JSON.parse(s);

Answer & Solution Discuss in Board Save for Later

59.
The basic purpose of the toLocaleString() is to

Answer & Solution Discuss in Board Save for Later