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我试图复制的this website导航栏,我已经成功地使用jQuery实现它,但我需要在普通的JavaScriptjQuery的转换为纯JavaScript代码
(function ($) {
$(document).ready(function() {
var $nav1 = $("#nav-1"),
$nav2 = $("#nav-2"),
$sticky = $nav1.before($nav2.addClass("fixed").removeClass("hide"));
$(window).on("scroll", function() {
var fromTop = $(window).scrollTop();
$("body").toggleClass("on-scroll", (fromTop > 200));
});
});
})(jQuery);
这是我尝试重写它来重写这个以纯JS,但它不是ATM
(function() {
var nav1 = document.getElementById("nav-1"),
nav2 = document.getElementById("nav-2"),
sticky = nav1.insertAdjacentHTML("beforebegin", nav2.outerHTML);
// nav2.className += " fixed";
nav2.classList.add("fixed");
nav2.classList.remove("hide");
window.onscroll = function() {
var fromTop = window.scrollTop;
body.classList.toggle("on-scroll", fromTop > 200);
};
}());
所以问题是什么? – ZombieChowder
为什么你想用纯JS写呢? – Raptor