To create a lead capture form on a landing page and create a Lead record in Salesforce, you can use either AMPscript or SSJS. AMPscript can be used for interacting with Salesforce, and SSJS can handle form processing. Alternatively, SSJS can handle the entire process, including creating the Salesforce record.

AMPscript and SSJS Combination: You can use AMPscript to interact with Salesforce APIs to create records and SSJS for form handling.

SSJS for Full Functionality: SSJS can handle both the form submission and the interaction with Salesforce to create Lead records.

: Salesforce AMPscript and SSJS Integration