TypeScript for Beginners - Homogeneous Arrays

TypeScript for Beginners - Homogeneous Arrays

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial explains how to define and initialize an array in a programming language. It covers specifying data types using angular brackets, initializing arrays with string elements, and logging them to the console. The tutorial also demonstrates accessing array elements using indices and discusses array properties like length. The process of transpiling code and refreshing the web browser to view changes is also highlighted.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using angular brackets when defining an array?

To define the array as a constant

To initialize the array with default values

To specify the type of data the array can hold

To specify the size of the array

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct way to access the second element of an array named 'array1'?

array1[0]

array1[3]

array1[2]

array1[1]

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'zero-based indexing' mean in the context of arrays?

The index starts from 1 for all elements

The last element is accessed with index 0

The first element is accessed with index 1

The first element is accessed with index 0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you determine the number of elements in an array named 'array1'?

array1.count()

array1.size()

array1.elements()

array1.length

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to transpile code before viewing changes in a web browser?

To increase the speed of the web browser

To reduce the size of the code

To convert the code into a format that the browser can understand

To ensure the code is free of errors