how to add a Re-enter Email box on the Checkout Contact Section?

Store Design
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Topic summary

Request to add a second “Re-enter Email” field in the checkout Contact section alongside the existing email input. The goal is to validate that both email entries match before the customer proceeds, functioning as an on-page confirmation check.

Seeking a code-based approach (e.g., theme/template edits or client-side scripting) rather than a settings toggle or app. No code or attempted solution was provided by the requester.

Context indicates a Store Design/customization issue, with emphasis on theme-level changes and troubleshooting; no mention of backend changes or metafields usage details.

No images, videos, or attachments are involved.

Status: unanswered and unresolved; no guidance or implementation steps have been offered yet.

Summarized with AI on December 15. AI used: gpt-5.
1

Hi

I already have an email box at the Checkout page.

I want to add one more email box (Re-Enter Email) and check wheather the email ids match or not.

Is there anyway to achieve it by using code

Thanks