Modern Web Design with HTML5, CSS3, and JavaScript - JavaScript Function - Expression versus Function Declaration with E

Modern Web Design with HTML5, CSS3, and JavaScript - JavaScript Function - Expression versus Function Declaration with E

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the differences between function declarations and function expressions in JavaScript. Function declarations are hoisted, allowing them to be called before they are defined, while function expressions are not. The tutorial provides examples of both, highlighting the importance of initialization order for expressions. It also discusses reassigning function values and type checking. A challenge is presented to create both types of functions that perform the same task, reinforcing the concepts covered.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the main difference between function declarations and function expressions?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does hoisting affect function declarations in JavaScript?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of creating a function expression.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens if you try to access a function expression before it is initialized?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain why function expressions cannot be called before they are declared.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the order of function declarations and expressions in your code?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In what way can function expressions and declarations be similar?

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