JS:
function click_a(divDisplay)
{
if (document.getElementById(divDisplay).style.display
!= "block") { //直接引用对象的style属性
document.getElementById(divDisplay).style.display =
"block";
}
else
{
document.getElementById(divDisplay).style.display =
"none";
}
}
JQuery:
$(document).ready(function () {$("#li01").click(function ()
{ if ($(‘#menu1‘).css(‘display‘) != "block") $("#menu1").show(2000); //$(‘#menu1‘).css(‘display‘) 获取CSS的属性值
else $("#menu1").hide(2000);
});});