TypeScript for Beginners - Using Arrays

TypeScript for Beginners - Using Arrays

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial covers the basics of using arrays in TypeScript. It starts with defining arrays using angular brackets and accessing elements with subscripts. The tutorial then explains how to modify arrays using the push method and addresses type issues that arise when adding different data types. It also covers how to define arrays that can hold multiple data types. Finally, the video demonstrates using a for loop to iterate over array elements and display them.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct way to define an array in TypeScript?

Using square brackets

Using angular brackets

Using curly braces

Using parentheses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to add elements to an existing array in TypeScript?

insert()

add()

push()

append()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does TypeScript determine the type of elements in an array?

By the first element added

By the last element added

By the type specified during array creation

By the most common type in the array

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What keyword is used to allow any type of data in a TypeScript array?

flex

var

all

any

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the starting index of an array in TypeScript?

It depends on the array type

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