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Which of the following method checks if its argument is not a number?

Correct Answer : A

The snippet that has to be used to check if “a” is not equal to “null” is

Correct Answer : D

What is the correct syntax for referring to an external script called "demo.js"?

Correct Answer : A

A proper scripting language is a

Correct Answer : A

The escape sequence ‘\f’ stands for

Correct Answer : D

Which is the method invoked to connect the last vertex back to the first?

Correct Answer : A

JavaScript Code can be called by using

Correct Answer : D

What is used by the JSONObject and JSONArray constructors to parse JSON source strings?

Correct Answer : A

The pop() method of the array does which of the following task ?

Correct Answer : A

Which of the following is not a valid way to parse JSON string?

Correct Answer : A

What is defination of an undefined value in JavaScript?

Correct Answer : D

Which company developed JavaScript?

Correct Answer : A

Which of the following function of Array object adds one or more elements to the end of an array and returns the new length of the array?

Correct Answer : B

Which of the following is not the properties of screen objects in JavaScript?

Correct Answer : B

Which statement about the reviver parameter in JSON.parse() is true?

Correct Answer : A

The object has three object attributes namely

Correct Answer : C

Consider the following code snippet

const pi=3.14;
var pi=4;
console.log(pi);

What will be the output for the above code snippet?

Correct Answer : A

What is divide by 0 in Javascript?

var a = 10;
var b = 0;
document.write(a/b);

 

Correct Answer : C

What is JSONP meant to mitigate?

Correct Answer : B

In this example, what would the TYPE of employee.hireDate be?

{ "employee" : { "type" : "Director", "functions" : ['sales', 'marketing'], "hireDate" : "March 8, 2011" } }

 

Correct Answer : B

What does JSON stand for?

Correct Answer : C

Which of the algorithmic languages is not lexical scoping standardized in?

Correct Answer : D

What does JSONP stand for?

Correct Answer : C

JSON strings have to be in

Correct Answer : B

What must be done in order to implement Lexical Scoping?

Correct Answer : C

Which of the following is correct about features of JavaScript?

Correct Answer : B

Which of the following function of String object returns the characters in a string between two indexes into the string?

Correct Answer : D

What is the file extension of JSON?

Correct Answer : D

Which of the following code will throw an error?

Correct Answer : C

Which of these is proper a JSON array?

Correct Answer : D