JavaScript根據一個元素的顯示隱藏控制另一個元素的顯示和隱藏

<script>
function xianshi(){
var odaohang1=document.getElementById('daohang1');
var ozuocedaohang=document.getElementById('zuocedaohang1');
var otoggle=document.getElementById('toggle-sidebar');
if($('#zuocedaohang1').is(':hidden') ){
odaohang1.style.display='none';
}
ozuocedaohang.style.display='block';
}
</script>