Cmit 382 Final Exam Latest 2024/2025 Real Exam 2 Latest Versions Questions And Correct Answers| Get 100% Correct Solutions

CMIT 382 FINAL EXAM LATEST 2024/2025 REAL EXAM 2 LATEST
VERSIONS QUESTIONS AND CORRECT ANSWERS| GET 100%
CORRECT SOLUTIONS


Applying the Clickable class to a span enables the span to respond to click events.

A. True
B. False - B. False

Assignment 2 solution

The key attribute is always optional with JSX elements.

A. True
B. False - B. False

https://reactjs.org/docs/lists-and-keys.html#keys

Using bind() with event handlers sets the object instance within the event handler
scope.

A. True
B. False - A. True

Hover over the word bind on code sandbox

Using slice() to modify a copy of a class state property prevents unintentional rendering.

A. True
B. False - A. True

https://www.w3schools.com/jsref/jsref_slice_array.asp

Identify the correct definition of the code super(props).

A. Call a class parent constructor and pass props as an argument
B. Initialize class state with props
C. Prepare a JSX element
D. Initialize a function-based React component - A. Call a class parent constructor and
pass props as an argument

https://stackoverflow.com/questions/30571875/whats-the-difference-between-super-
and-superprops-in-react-when-using-e

,Select the code that binds a form control value to a class state property value.

A. handleAddButtonClick
B. key = {index}
C. value = {this.state.text}
D. .filter() - C. value = {this.state.text}

The code { data } is equivalent to { data: data }.

A. True
B. False - A. True

The array filter() method creates an array filled with all array elements that pass a test
(provided as a function).

A. True
B. False - A. True

Identify the correct JSX comment syntax.

A. /* */
B. {/* */}
C. { }
D. // - B. {/* */}

Identify the correct definition of transpiling.

A. Converting source code to an executable file
B. Execution of source code through an interpreter program
C. Converting source code from one language or version to another language or version
D. Offloading of source from local resources to the cloud - C. Converting source code
from one language or version to another language or version

The fundamental ReactJS paradigm is component state changes lead to visual element
changes.

A. True
B. False - A. True

https://reactjs.org/

JSX does NOT support self-closing tags.

A. True
B. False - B. False

, https://reactjs.org/docs/introducing-jsx.html

Function-based React components MUST implement a constructor() method.

A. True
B. False - B. False

https://reactjs.org/docs/react-component.html#constructor

Identify the correct JSX attribute to associate a CSS class with a JSX div element.

A. id
B. class
C. classname
D. className - D. className

Given the following array definitions, identify the correct syntax to populate the empty
array.
let d = ["A ", "B "];
let n = [];

A. d.map((e, i) => n.push(i + ":" + e));
B. d.map(function (e, i) { n.push(i + ":" + e); });
C. Both A and B would populate the empty array
D. Neither A or B would populate the empty array - C. Both A and B would populate the
empty array

https://www.w3schools.com/jsref/jsref_map.asp

1 function Greeting(props) {
2 const name = this.props.name ? this.props.name : "Guest";
3 return (
4 <h1>Hello name</h1>
5 <h2>How are you?</h2>
6 );
7}

Identify the problem on line #2.

A. const should be replaced with let
B. The ternary operator is : ?
C. Inclusion of this instance object is incorrect
D. "Guest" must be 'Guest' - C. Inclusion of this instance object is incorrect

1 function Greeting(props) {