Get Colon Time From Date

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Introduction

In this lab, we will explore how to extract the time from a Date object and format it as a string in the HH:MM:SS format. We will use the Date.prototype.toTimeString() method to convert the Date object to a string, and then use String.prototype.slice() to extract the HH:MM:SS part of the string. This lab will help you understand how to work with Date objects in JavaScript and format them as needed.


Skills Graph

%%%%{init: {'theme':'neutral'}}%%%% flowchart RL javascript(("`JavaScript`")) -.-> javascript/BasicConceptsGroup(["`Basic Concepts`"]) javascript/BasicConceptsGroup -.-> javascript/variables("`Variables`") javascript/BasicConceptsGroup -.-> javascript/data_types("`Data Types`") javascript/BasicConceptsGroup -.-> javascript/arith_ops("`Arithmetic Operators`") javascript/BasicConceptsGroup -.-> javascript/comp_ops("`Comparison Operators`") subgraph Lab Skills javascript/variables -.-> lab-28352{{"`Get Colon Time From Date`"}} javascript/data_types -.-> lab-28352{{"`Get Colon Time From Date`"}} javascript/arith_ops -.-> lab-28352{{"`Get Colon Time From Date`"}} javascript/comp_ops -.-> lab-28352{{"`Get Colon Time From Date`"}} end

Here's how to get the colon time from a date object

If you're looking to practice coding, you can start by opening the Terminal/SSH and typing node.

This function returns a string of the form HH:MM:SS from a given Date object.

To achieve this, the Date.prototype.toTimeString() and String.prototype.slice() methods are utilized to extract the HH:MM:SS part of the Date object.

Here's the code for the function:

const getColonTimeFromDate = (date) => date.toTimeString().slice(0, 8);

And here's an example usage:

getColonTimeFromDate(new Date()); // '08:38:00'

Summary

Congratulations! You have completed the Get Colon Time From Date lab. You can practice more labs in LabEx to improve your skills.

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