React Quiz
What is the purpose of the "key" prop in React when rendering a list of components?
What is the purpose of the "key" prop in React when rendering a list of components?
Anonymous Quiz
12%
It sets the font size of each component
67%
It assigns a unique identifier to each component
13%
It specifies the components background color
8%
It controls the components rendering order
CSS Quiz
Which CSS property is used to change the style of a border?
Which CSS property is used to change the style of a border?
Anonymous Quiz
57%
border-style
9%
style
12%
border-color
22%
border
👍2👏1
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CSS Quiz
What is the purpose of the CSS property "display"?
What is the purpose of the CSS property "display"?
Anonymous Quiz
74%
To control the visibility of an element
12%
To change the element's background color
11%
To control the spacing outside an element
3%
To change the element's font size
CSS Quiz
What is the purpose of the CSS property "margin"?
What is the purpose of the CSS property "margin"?
Anonymous Quiz
70%
To control the spacing outside an element
20%
To control the spacing inside an element
8%
To change the element's background color
3%
To change the element's border color
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React Quiz
What is React?
What is React?
Anonymous Quiz
14%
A programming language
79%
A JavaScript library for building user interfaces
4%
A database management system
3%
A text editor
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Python Quiz
What is the purpose of the "for" loop in Python?
What is the purpose of the "for" loop in Python?
Anonymous Quiz
7%
To define a function
7%
To declare a variable
39%
To execute a block of code conditionally
47%
To create a loop
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JavaScript Quiz
Which operator is used to compare the value and data type in JavaScript?
Which operator is used to compare the value and data type in JavaScript?
Anonymous Quiz
9%
=
39%
==
48%
===
4%
!=
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React Quiz
What is the purpose of the "useEffect" hook in React?
What is the purpose of the "useEffect" hook in React?
Anonymous Quiz
21%
To manage global state
24%
To create routing in React
11%
To define component styles
44%
To perform side effects in functional components
React Quiz
What is the virtual DOM in React?
What is the virtual DOM in React?
Anonymous Quiz
29%
A component that doesn’t exist in the real DOM
50%
A lightweight DOM representation used for optimization
11%
A user interface component
10%
A real-time data visualization tool
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