Modern Web Design with HTML5, CSS3, and JavaScript - Using requestAnimationFrame() Method for Simple Counter

Modern Web Design with HTML5, CSS3, and JavaScript - Using requestAnimationFrame() Method for Simple Counter

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

This video tutorial introduces the use of requestAnimationFrame in JavaScript to create a simple counter. It begins with setting up an HTML page with an H1 tag and a script. The tutorial then explains how to use requestAnimationFrame to perform animations by creating a step counter function. The counter is implemented to count milliseconds up to 5000, and the tutorial demonstrates how to update and format the output using string manipulation. The video concludes with a demonstration of the counter running smoothly and accurately.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the start value in the animation frame?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What condition is checked to determine when to stop the animation frame?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to convert the count value into a string for output.

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