我正在嘗試創建一個像這里一樣的過濾器。我在 HTML 文件中編寫了一些代碼,方面是相同的,但 JavaScript 不起作用,這意味著如果我單擊默認情況下處于活動狀態的其他選項,則不會發生任何情況。$(document).ready(function() { $("#filter-bar li").click(function() { $("#filter-bar li").removeClass("active"); $(this).addClass("active"); $("#filter-bar").removeClass().addClass($(this).attr("data-target")); });})body { background-color: #eee; margin: 0; padding: 0; font-family: Tahoma;}h2 { text-align: center;}#filter-bar { width: 100%; margin: 0; padding: 0; height: 36px; display: inline-flex;}#wrapper-filter { background-color: #fff; width: 570px; height: auto; margin: 30px auto; border-radius: 30px; box-sizing: border-box;}#filter-bar li { width: 190px; background-color: transparent; text-align: center; list-style-type: none; z-index: 10; cursor: pointer; font-family: Open Sans, sans-serif; font-weight: 100; font-size: 15px; line-height: 36px;}.pill { position: absolute; width: 190px; height: 38px; background-color: #39c; border-radius: 30px; color: #444; z-index: 10; border: 5px solid #eee; box-sizing: border-box;}.filter-option { transition: color 500ms;}#filter-bar.option-1 .pill { margin-left: 0px; transition: margin-left 200ms ease;}#filter-bar.option-2 .pill { margin-left: 187px; transition: margin-left 200ms ease;}#filter-bar.option-3 .pill { margin-left: 380px; transition: margin-left 200ms ease;}.option-1.active,.option-2.active,.option-3.active { color: #fff; transition: color 200ms;}<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script><h2>Animated filter selector</h2><div id="wrapper-filter"> <ul id="filter-bar"> <span class="pill"></span> <li class="filter-option option-1 active" data-target="option-1">Books</li> <li class="filter-option option-2" data-target="option-2">Shoes</li> <li class="filter-option option-3" data-target="option-3">Toys</li> </ul></div>所以,我認為Javascript腳本根本不可見,所以它應該做的事情根本不會發生。難道是我放錯地方了?我是前端初學者,所以不知道哪里出了問題。誰能幫我?
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