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Javascript Questions Set 86:

Quiz Mode

Which function is used to retrieve a value from storage?

get()

retrieve()

getItem()

retrieveItem()

Solution:

In JavaScript, the functions inside objects are called ______.

methods

variables

identifiers

constructor

Solution:

Which of the following is the correct way to declare variables in JavaScript?

var

const

let

All of the above

Solution:

What is the function used to extract arguments from the search property of URL?

urlArgs()

url()

hash()

geturl()

Solution:

Which of the following commands gives a high-level breakdown of memory usage?

about:memory

memory

about-memory

about::memory

Solution:

Which of the following is not possible in JavaScript arrays?

Array of objects.

Array of arrays.

Array of functions.

None of the above.

Solution:

Which of the following is the most powerful element selection method in JavaScript?

querySelectorAll()

querySelector()

queryAll()

query()

Solution:

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

None of the above

Solution:

This Redux Middleware function combines the results of multiple child reducers into a single state object.

combineReducers

separateReducers

bindReducers

none of these

Solution:

When the "end" event fires on end-of-file (EOF) and no more data will arrive, which function is called?

s.on("data",f);

s.on("end",f);

s.on("error",f);

s.on("default",f);

Javascript Questions Set 86:

Which function is used to retrieve a value from storage?

Solution:

In JavaScript, the functions inside objects are called ______.

Solution:

Which of the following is the correct way to declare variables in JavaScript?

Solution:

What is the function used to extract arguments from the search property of URL?

Solution:

Which of the following commands gives a high-level breakdown of memory usage?

Solution:

Which of the following is not possible in JavaScript arrays?

Solution:

Which of the following is the most powerful element selection method in JavaScript?

Solution:

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

Solution:

This Redux Middleware function combines the results of multiple child reducers into a single state object.

Solution:

When the "end" event fires on end-of-file (EOF) and no more data will arrive, which function is called?

Solution:

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