Question 238277 in Javascript Question posted in
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Javascript – how to convert ISO date time to YYYYMMDDHHmmss string format?

I have a date time in string in this ISO format:

2023-08-07T09:38:43+07:00

but now I need to convert it to YYYYMMDDHHmmss format, so I expect I will get this string

20230807093843

how to do that using Javascript without using Moment or another libarary?

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2

Answers


  1. 0

    Here this is one way of doing it I guess.

       
const originalDate = "2023-08-07T09:38:43+07:00";

// Parse the original date string
const parsedDate = new Date(originalDate);

// Extract individual components
const year = parsedDate.getFullYear();
const month = (parsedDate.getMonth() + 1).toString().padStart(2, '0');
const day = parsedDate.getDate().toString().padStart(2, '0');
const hours = parsedDate.getHours().toString().padStart(2, '0');
const minutes = parsedDate.getMinutes().toString().padStart(2, '0');
const seconds = parsedDate.getSeconds().toString().padStart(2, '0');

// Create the final formatted date string
const formattedDate = `${year}${month}${day}${hours}${minutes}${seconds}`;

console.log(formattedDate); // Output: 20230807093843
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  2. 0

    Slice the string and then replace the undesired characters:

    const formatted = "2023-08-07T09:38:43+07:00".slice(0, 19).replaceAll(/[-:T]/g, "");

console.log(formatted === "20230807093843"); // true
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