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zepto - toggleClass

<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title>zepto</title>    <style>        .main {            font-size: 120%;            color: red;        }    </style></head><body><h1 id="h1">This is a heading</h1><p>This is a paragraph.</p><p>This is another paragraph.</p><button class="btn1">切换段落的 "main" 类</button><script src="zepto.min.js"></script><script>    $("button").click(function () {        $("p").toggleClass("main");    });</script></body></html>

 

<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title>zepto</title>    <style>        .listitem_1, .listitem_3 {            color: red;        }        .listitem_0, .listitem_2 {            color: blue;        }    </style></head><body><h1 id="h1">This is a heading</h1><ul>    <li>Apple</li>    <li>IBM</li>    <li>Microsoft</li>    <li>Google</li></ul><button class="btn1">添加或移除列表项的类</button><script src="zepto.min.js"></script><script>    $("button").click(function () {        $(ul li).toggleClass(function () {            return listitem_ + $(this).index();        });    });</script></body></html>

 

zepto - toggleClass