Code Scientists
@codescientist
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48 videos
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HTML • CSS • JS • React • Nextjs

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Code Scientists
8.85K subscribers
Code Scientists
React Quiz
What is the role of keys in React when rendering lists of elements?
Anonymous Quiz
51%
To assign unique identifiers to elements
14%
To apply styles to elements
8%
To group elements together
26%
To control the component rendering order
👍2
167 voters1.73K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.62K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
👍1
1.51K viewsCodeScientist, 
Code Scientists
CSS Quiz
Which CSS property is used to control the transparency of an element?
Anonymous Quiz
64%
opacity
24%
transparent
6%
visibility
5%
transparency
👍2
288 voters1.62K viewsCodeScientist, 
Code Scientists
HTML Quiz
What does HTML <ol> stand for?
Anonymous Quiz
90%
Ordered List
3%
Online Link
4%
Open List
4%
Organized Language
👍4
306 voters1.57K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.55K viewsCodeScientist, 
Code Scientists
JavaScript Quiz
What is the purpose of the "else" statement in JavaScript?
Anonymous Quiz
12%
To define a function
4%
To declare a variable
76%
To execute a block of code unconditionally
8%
To create a loop
👍2
242 voters1.64K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.56K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.48K viewsCodeScientist, 
Code Scientists
React Quiz
What is the purpose of the React setState method?
Anonymous Quiz
13%
To render a component
24%
To update the virtual DOM
58%
To modify component state and trigger a re-render
5%
To create a new component
👍1
186 voters1.61K viewsCodeScientist, 
Code Scientists
React Quiz
What is JSX in React?
Anonymous Quiz
70%
A syntax extension for JavaScript
9%
A data storage format
20%
A server-side rendering technique
1%
A code editor
❤1
185 voters1.5K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
https://bit.ly/47S21EI
👍2
1.5K viewsCodeScientist, 
Code Scientists
CSS Quiz
Which CSS property is used to add rounded corners to an element?
Anonymous Quiz
73%
border-radius
16%
rounded-corners
6%
corner-style
5%
corner-radius
👍4
246 voters1.5K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.48K viewsCodeScientist, 
Code Scientists
HTML Quiz
Which HTML tag is used to create a horizontal line?
Anonymous Quiz
11%
<line>
79%
<hr>
4%
<divider>
6%
<hl>
👍2
273 voters1.45K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.43K viewsCodeScientist, 
Code Scientists
JavaScript Quiz
Which data type is used to represent text in JavaScript?
Anonymous Quiz
7%
number
9%
boolean
79%
string
5%
array
👍1
237 voters1.47K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
👍1
1.48K viewsCodeScientist, 
Code Scientists
React Quiz
What does the React propType system help with?
Anonymous Quiz
10%
Styling components
64%
Type checking for component props
20%
State management
6%
Routing
160 voters1.55K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.53K viewsCodeScientist, 
Code Scientists
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https://bit.ly/47S21EI
1.4K viewsCodeScientist,