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Javascript Questions Set 83:

Quiz Mode

(true + false) > 2 + true;

true

false

None

TypeError

Solution:

How to remove an item by index position?

pop

remove

splice

slice

Solution:

Where does the DNS Lookup process direct to?

Browser

Client

Server

DNS Server

Solution:

What is the default positioning of elements in CSS?

static

dynamic

relative

absolute

Solution:

What will be the value at arr[2] in the following code?

`var arr= [1,,3];`

undefined

This results in an error

garbage value

Solution:

Which object is at the top of the DOM (Document Object Model) hierarchy?

Window object

HTML object

None of the above

Head object

Solution:

The correct way to use the alert() function is:

alertbox("Hey there");

alertBox("Hey there");

msgBox("Hey there");

alert("Hey there");

Solution:

When does the function name become optional in JavaScript?

When the function is defined as a looping statement

When the function is predefined

When the function is defined as expressions

when the function is called

Solution:

Why do we need to use an onload event handler in the script tag after using the async attribute?

To invoke code during page loading

To invoke code when the script finishes loading

To invoke code during script downloading

To invoke code during page reloading

Solution:

Which of the following is true about removing unwanted objects in JavaScript?

JavaScript uses an automatic garbage collector to remove unwanted objects.

JavaScript uses a mark-and-sweep algorithm to remove unwanted objects.

Both 1 and 2 are true.

None of the above.

Javascript Questions Set 83:

(true + false) > 2 + true;

Solution:

How to remove an item by index position?

Solution:

Where does the DNS Lookup process direct to?

Solution:

What is the default positioning of elements in CSS?

Solution:

What will be the value at arr[2] in the following code?

`var arr= [1,,3];`

Solution:

Which object is at the top of the DOM (Document Object Model) hierarchy?

Solution:

The correct way to use the alert() function is:

Solution:

When does the function name become optional in JavaScript?

Solution:

Why do we need to use an onload event handler in the script tag after using the async attribute?

Solution:

Which of the following is true about removing unwanted objects in JavaScript?

Solution:

Related Question Sets:

Related Topics:

Javascript Questions Set 83:

(true + false) > 2 + true;

Solution:

How to remove an item by index position?

Solution:

Where does the DNS Lookup process direct to?

Solution:

What is the default positioning of elements in CSS?

Solution:

What will be the value at arr[2] in the following code? var arr= [1,,3];

Solution:

Which object is at the top of the DOM (Document Object Model) hierarchy?

Solution:

The correct way to use the alert() function is:

Solution:

When does the function name become optional in JavaScript?

Solution:

Why do we need to use an onload event handler in the script tag after using the async attribute?

Solution:

Which of the following is true about removing unwanted objects in JavaScript?

Solution:

Related Question Sets:

Related Topics:

What will be the value at arr[2] in the following code?

`var arr= [1,,3];`