$ go get github.com/sunfmin/html2go

$ html2go # enter and then copy paste html code
<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <input readonly required disabled checked tabindex="-1">
  <input readonly="false">
</nav>
# enter a new line here

package hello

var n = Body(
	Nav(
		Input("").Readonly(true).
			Required(true).
			Disabled(true).
			Checked(true).
			TabIndex(-1),
		Input("").Readonly(true),
	).Class("navbar navbar-expand-lg navbar-light bg-light"),
)

$ html2go -pkg=h