Modern Web Design with HTML5, CSS3, and JavaScript - Learning about JavaScript Number Methods

Modern Web Design with HTML5, CSS3, and JavaScript - Learning about JavaScript Number Methods

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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FREE Resource

The video tutorial covers JavaScript number methods, including converting strings to numbers, handling decimal places with the toFixed method, and converting Date objects to Unix timestamps. It explains the differences between using the number method and parse integer for conversions, and demonstrates how to handle decimal places and rounding. The tutorial concludes with an explanation of how JavaScript converts Date objects into Unix timestamps, which represent milliseconds since January 1st, 1970.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of using the JavaScript number methods?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does JavaScript handle the comparison between a string value and a numeric value?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between the number method and parseInt in JavaScript?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the twoFixed method works in JavaScript.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when you try to convert a non-numeric string using the number method?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does JavaScript convert a Date object into a number?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is a Unix timestamp and how is it related to JavaScript Date objects?

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