简介
今天我们用 CSS 和 jQuery 来制作一个简单的下拉框。
浏览器兼容
IE8+ | Edge | Chrome | Firefox | Opera | Safari |
制作方法
1、HTML
<div class="select dowebok"> <span class="placeholder">请选择</span> <ul> <li>百度</li> <li>谷歌</li> <li>雅虎</li> <li>新浪</li> </ul> </div>
2、CSS
@import "//cdn.bootcss.com/font-awesome/4.5.0/css/font-awesome.min.css"; html { box-sizing: inherit; background-color: #8e9eab; background: linear-gradient(to left, #8e9eab, #eef2f3); } body { margin: 10% auto; font-size: 12px; } .select { position: relative; display: block; margin: 0 auto; width: 100%; max-width: 325px; color: #cccccc; vertical-align: middle; text-align: left; user-select: none; -webkit-touch-callout: none; } .select .placeholder { position: relative; display: block; background-color: #393d41; z-index: 1; padding: 1em; border-radius: 2px; cursor: pointer; } .select .placeholder:hover { background: #34383c; } .select .placeholder:after { position: absolute; right: 1em; top: 50%; transform: translateY(-50%); font-family: 'FontAwesome'; content: '\f078'; z-index: 10; } .select.is-open .placeholder:after { content: '\f077'; } .select.is-open ul { display: block; } .select.select--white .placeholder { background: #fff; color: #999; } .select.select--white .placeholder:hover { background: #fafafa; } .select ul { display: none; position: absolute; overflow: hidden; width: 100%; background: #fff; border-radius: 2px; top: 100%; left: 0; list-style: none; margin: 5px 0 0 0; padding: 0; z-index: 100; } .select ul li { display: block; text-align: left; padding: 0.8em 1em 0.8em 1em; color: #999; cursor: pointer; } .select ul li:hover { background: #4ebbf0; color: #fff; }
3、JavaScript
$('.select').on('click', '.placeholder', function(e) { var parent = $(this).closest('.select'); if (!parent.hasClass('is-open')) { parent.addClass('is-open'); $('.select.is-open').not(parent).removeClass('is-open'); } else { parent.removeClass('is-open'); } e.stopPropagation(); }).on('click', 'ul>li', function() { var parent = $(this).closest('.select'); parent.removeClass('is-open').find('.placeholder').text($(this).text()); }); $('body').on('click', function() { $('.select.is-open').removeClass('is-open'); });
内容来自:jQuery Plugins
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