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Reverse a String in JavaScript

Swarnali Roy on September 06, 2021

Reversing a String is indeed one of the most common and needed operations in JavaScript. During the journey of any Software Developer's career, a v...
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Atharva Shirdhankar

After long time you published blog,
The blog you write is in well formated way✨.
Thanks 👍

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Swarnali Roy

Thank you so much, keep following and supporting ☺️ ☺️

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Atharva Shirdhankar

Hey can I suggest you one thing!

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Swarnali Roy

Yes definitely you can..

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Atharva Shirdhankar

Can you add snippet of code in such format into your blog.
dev-to-uploads.s3.amazonaws.com/up...

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Atharva Shirdhankar

Even I have used in my blog the same snippet
dev.to/star_trooper/views-and-it-s...

And I have not written the blog in well formatted (text)way but yes due the snip format it is looking great.

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Swarnali Roy

I haven't tried this ever. How can I get this format? Is it any app like vs code? Let me know. i will try

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Atharva Shirdhankar

You can make your own snippet using "carbon" snippet creator.

carbon.now.sh/

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Swarnali Roy

Oh thanks a lot! I'll keep this on my mind. :D

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Raphael Piccolo

❤️

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Jon Randy 🎖️ • Edited
const reverseStr = str => [...str].reduce((r,s)=>s+r)

reverseStr("Hello")  // olleH
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Swarnali Roy

Oh yeah, its another method which I didn't mention, I can add it now. Thank you for reminding ☺️

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Tracy Gilmore

Lovely article Swarnali. I have another approach for you to consider:
const reverseString = ([...str]) => str.reverse().join('');

console.log(reverseString('abcdefg')); // 'gfedcba' on console.

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Swarnali Roy

This is another good approach, I didn't know about this one before. Thank you so much!!

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Antonio Bueno • Edited

The regex can be simpler (a period is already a single character, and case sensitivity does not affect it):

let regex = /./g
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Swarnali Roy

Thank you for the suggestion. This is a better one

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Linr

thank you! but emoji?

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Swarnali Roy

Sorry, I didn't understand , do you want to know from where I'm getting the emojis?
webfx.com/tools/emoji-cheat-sheet/
this is the link from where you can copy the name of the emoji and paste it wherever you want in your blog

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Linr

sorry. my question is how to reverse a strings include emoji ? thank you

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Swarnali Roy

Oh okay.. I'll try to upload that solution ASAP. ☺️

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Doug

Can you instrument the algorithms? Which is fastest, slowest?

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Raphael Piccolo • Edited

Damn useless :) I'm not gonna need any of these functions in my whole life, but you have some interesting solutions here indeed. Nice post

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Swarnali Roy

Thank you!

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Rahul Krishna

Great content. But most of the above methods will fail if you are using UTF-16 character.

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Robert Adams

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