What are the differences between fun({var}) and fun(var)?

Question

I would like to ask you about the differences of the codes below. They both work but I could not find the differences

({ name })

function swimmer({ name }){
    return {
        swim: () => console.log(`${name} swam`)
    }
}

( name )

function swimmer( name ){
    return {
        swim: () => console.log(`${name} swam`)
    }
}