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Advanced Frontend with React.js [Eng+Ukr]

Advanced Frontend with React.js [Eng+Ukr]

Looking for Advanced Frontend with React.js [Eng+Ukr] test answers and solutions? Browse our comprehensive collection of verified answers for Advanced Frontend with React.js [Eng+Ukr] at lms.softserve.university.

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Is the code below correct? (Given that all the necessary imports are made)

Some routes are defined incorrectly because all routes need to have path prop

❌

We need to render BrowserRouter around the whole app to connect the app to the browser's URL

✅

The order of routes is wrong

❌

The code is correct

❌

View this question

Please, select when the subscription happens with the following code:

before every render

❌

only once, on mounting phase, after completed render

❌

only once, on mounting phase, before render

❌

after completed render, only when props.source changes

❌

after every completed render

✅

before render, only when props.source changes

❌

View this question

Is the component below defined correctly?

Please, select the correct statements regarding fixes/improvements that can be done with the component.

someProp should be placed in the dependency array

✅

doSomething should be placed in the dependency array

❌

everything is good

❌

it is better to place the doSomething function inside of the effect

✅

it is better to remove the second argument of the effect

❌

View this question

We have the next component

Is there something that is wrong or can be improved in it?

Please, choose the correct options

we cannot write inline click handlers like this, we should define functions and then use them

❌

arguments of setCount should be a functions

✅

prop cannot be used as an initial value of a state

❌

View this question

What syntax are we emulating with this code?

question sprint 2

arrow function

default parameters

logical comparison

smart condition

IIFE

Why this code does not work?

question sprint 2

We cannot use a loop to step through the elements of an array.

❌

Break is only for switch statement

❌

This code is correct

❌

Variable i in block scope and we can`t see it after loop

✅

View this question

What syntax were we emulating with this code?

a = a || 3;

b = b || 4;

✅

[a, b] = [3, 4];

❌

a = 3;

b = 4;

❌

a = a && 3;

b = b && 4;

❌

a = b = 3;

❌

View this question

What syntax are we emulating with this code?

question sprint 2

IIFE

logical comparison

default parameters

smart condition

arrow function

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