$(document).ready(function() {
$(window).scroll(function() {
var $navbar = $("nav");
var href = window.location.href;
if(href $= "\
#1" || href $= "\#
7") {
$navbar.css("background","none");
$navbar.css("font-size","1.5em");
};
});
}
);

upup

有人在么

if(href $= "\
#1" || href $= "\#
7") 你这句代码你是想表达什么意思？我没太看明白，还是background属性好像没有设置为none的吧？