What happens to elementX if the variable x has the value $4$ and the following JavaScript code is executed?

elementX.style.color $=$ "blue";

if $($x $==1)\{$

elementX.style.color $=$ "yellow";

$\}$

else if $($x $==2)\{$

elementX.style.color $=$ "green";

$\}$

else if $($x $==3)\{$

elementX.style.color $=$ "red";

$\}$