Select the correct syntax.

do$()\{$

$$lert$("$Hello World!"$)$:

while$($start$!=$end$)$;

$\}$

do$\{$

alert$("$Hello World!"$)$:

while$($start$!=$end$)$;

$\}$

do$()\{$

alert$("$Hello World!"$)$:

$\}$ while$($start$!=$end$)$;

do$\{$

alert$("$Hello World!"$)$:

$\}$ while$($start$!=$end$)$;