[JS] Add a BMI calculator - closes #159

[itsayopapi]

Title and Issue number

Title :[Add a BMI calculator]

Issue No. : #159

Code Stack : html,css, javascript

Close #

Checklist:

• [x] I have mentioned the issue number in my Pull Request.
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have created a helpful and easy to understand README.md
• [x] I have updated the Index.html file for my contribution

[netlify[bot]]

✅ Deploy Preview for preeminent-tapioca-4294b2 ready!

Name	Link
🔨 Latest commit	4f8821ffd280c745e631b4d02c23ba810f0a49af
🔍 Latest deploy log	https://app.netlify.com/sites/preeminent-tapioca-4294b2/deploys/654dd2e5367dd90008bced7e
😎 Deploy Preview	https://deploy-preview-335--preeminent-tapioca-4294b2.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[sadanandpai]

Add the challenge to the challenges list as well along with contributors update (if this is the first time contribution)

[arpansaha13]

Thank you for your contribution!

[itsayopapi]

Thanks for the opportunity!

On Fri, 10 Nov 2023 at 08:56, Arpan Saha @.***> wrote:

Thank you for your contribution!

— Reply to this email directly, view it on GitHub https://github.com/sadanandpai/frontend-mini-challenges/pull/335#issuecomment-1805199214, or unsubscribe https://github.com/notifications/unsubscribe-auth/A2UCMLFHU7ENLPALJLBVPG3YDXFZFAVCNFSM6AAAAAA7EBHECWVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTQMBVGE4TSMRRGQ . You are receiving this because you were assigned.Message ID: @.***>