From a16e5f8d2dac4d2ca9882ce2386bb11f29104cd9 Mon Sep 17 00:00:00 2001 From: "DESKTOP-BM6RJU5\\wyanh" <644244736@qq.com> Date: Thu, 20 Jan 2022 18:23:32 +0800 Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E7=AC=AC100=E4=B8=AA?= =?UTF-8?q?=E5=B0=8F=E5=AE=9E=E4=BE=8B=EF=BC=9A=E9=BB=91=E8=89=B2=E7=9A=84?= =?UTF-8?q?=E7=AE=80=E7=BA=A6=E4=B8=8B=E6=8B=89=E8=8F=9C=E5=8D=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 3 +- css/100.css | 178 ++++++++++++++++++++++++++++++++++++++++++++++ html/100.html | 37 ++++++++++ javascript/100.js | 98 +++++++++++++++++++++++++ 4 files changed, 315 insertions(+), 1 deletion(-) create mode 100644 css/100.css create mode 100644 html/100.html create mode 100644 javascript/100.js diff --git a/README.md b/README.md index c635a36..b4db412 100644 --- a/README.md +++ b/README.md @@ -103,4 +103,5 @@ 96. HTML5+CSS3小实例：3D卡片hover翻转效果 97. HTML5+CSS3小实例：纯CSS实现开箱子动画 98. HTML5+CSS3小实例：创意条纹背景的图像悬停效果 -99. HTML5+CSS3小实例：炫彩的发光字特效 \ No newline at end of file +99. HTML5+CSS3小实例：炫彩的发光字特效 +100. HTML5+CSS3+JS小实例：黑色的简约下拉菜单 \ No newline at end of file diff --git a/css/100.css b/css/100.css new file mode 100644 index 0000000..a820743 --- /dev/null +++ b/css/100.css @@ -0,0 +1,178 @@ +*{ + /* 初始化 */ + margin: 0; + padding: 0; + box-sizing: border-box; +} +/* :root选择器是匹配文档根元素 */ +:root{ + /* 声明自定义属性 */ + --rotate-arrow:0; + --dropdown-height:0; + --list-opacity:0; + --translate-value:0; + --floating-icon-size:26; + --floating-icon-top:0; + --floating-icon-left:0; +} +html{ + font-size: 80%; +} +body{ + height: 100%; + /* 弹性布局 水平+垂直居中 */ + display: flex; + flex-direction: column; + justify-content: center; + align-items: center; + background-color: #222429; + padding: 1.5rem; + line-height: 1.4rem; +} +button{ + border: none; + background-color: transparent; + cursor: pointer; + outline: none; +} +svg{ + width: 1.6rem; + height: 1.6rem; +} +.text-truncate{ + /* 超出显示省略号 */ + text-overflow: ellipsis; + overflow: hidden; + /* 不换行 */ + white-space: nowrap; +} +.dropdown-container{ + margin-top: 30vh; + display: flex; + flex-direction: column; + width: 100%; + max-width: 34rem; +} +.dropdown-title-icon, +.dropdown-arrow{ + display: inline-flex; +} +.dropdown-title{ + margin: 0 auto 0 1.8rem; +} +.dropdown-button{ + font-weight: 400; + font-size: 1.7rem; + display: flex; + align-items: center; + padding: 0 1.8rem; +} +.dropdown-button svg{ + /* 填充颜色 */ + fill: #b1b8ca; + /* 设置过渡: 全部 时长 贝塞尔曲线 */ + transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.dropdown-button svg, +.dropdown-button span{ + /* 元素不对指针事件做出反应 */ + pointer-events: none; +} +.dropdown-button:hover, +.dropdown-button:focus{ + color: #fff; +} +.dropdown-button:hover svg, +.dropdown-button:focus svg{ + fill: #fff; +} +.main-button{ + height: 5.2rem; + background-color: #333740; + color: #b1b8ca; + border-radius: 1.4rem; + border: 0.1rem solid #494d59; + transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.main-button:focus{ + border: 0.1rem solid #2c62f6; + box-shadow: 0 0 0 0.2rem rgba(44,98,246,0.4); +} +.main-button .dropdown-arrow{ + margin-left: 1.8rem; + /* 通过var函数调用自定义属性,设置旋转角度 */ + transform: rotate(var(--rotate-arrow)); + transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.list-button{ + height: 4.6rem; + color: #b1b8ca; + /* 溢出隐藏 */ + overflow: hidden; + /* 隐藏光标 */ + cursor: none; + transition: color 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.dropdown-list-container{ + overflow: hidden; + max-height: var(--dropdown-height); + transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.dropdown-list-wrapper{ + margin-top: 1rem; + padding: 1rem; + background-color: #333740; + border-radius: 1.4rem; + border: 0.1rem solid #494d59; + position: relative; +} +ul.dropdown-list{ + position: relative; + list-style-type: none; +} +ul.dropdown-list::before{ + content: ""; + position: absolute; + top: 0; + right: 0; + left: 0; + z-index: 0; + opacity: 0; + height: 4.6rem; + background-color: #2b2e34; + border-radius: 1.4rem; + pointer-events: none; + transform: translateY(var(--translate-value)); + transition: all 0.4s linear; +} +li.dropdown-list-item{ + display: flex; + flex-direction: column; + position: relative; + z-index: 1; + opacity: var(--list-opacity); + transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.floating-icon{ + width: calc(var(--floating-icon-size) * 1px); + height: calc(var(--floating-icon-size) * 1px); + position: absolute; + left: var(--floating-icon-left); + top: var(--floating-icon-top); + background-color: #494d59; + border-radius: 1rem; + pointer-events: none; + opacity: 0; + z-index: 2; + display: inline-flex; + justify-content: center; + align-items: center; + transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); +} +.floating-icon svg{ + fill: #fff; +} +ul.dropdown-list:hover::before, +ul.dropdown-list:hover ~ .floating-icon{ + opacity: 1; +} \ No newline at end of file diff --git a/html/100.html b/html/100.html new file mode 100644 index 0000000..f2741f6 --- /dev/null +++ b/html/100.html @@ -0,0 +1,37 @@ + + + + + + + + 黑色的简约下拉菜单 + + + + +
+ +
+
+
    + +
    +
    +
    + + + + \ No newline at end of file diff --git a/javascript/100.js b/javascript/100.js new file mode 100644 index 0000000..82fb927 --- /dev/null +++ b/javascript/100.js @@ -0,0 +1,98 @@ +// 需要操作到的元素 +const root=document.documentElement; +const dropdown_title_icon=document.querySelector(".dropdown-title-icon"); +const dropdown_title=document.querySelector(".dropdown-title"); +const dropdown_list=document.querySelector(".dropdown-list"); +const main_button=document.querySelector(".main-button"); +const floating_icon=document.querySelector(".floating-icon"); + +// 图标对象 +const icons={ + "百度": + "M226.8 535.7c96.8-20.8 83.6-136.4 80.6-161.7-4.8-39-50.6-107.2-112.8-101.8-78.3 7-89.8 120.2-89.8 120.2-10.5 52.3 25.4 164.1 122 143.3z m102.7 201.1c-2.9 8.2-9.1 28.9-3.7 47 10.8 40.6 46.1 42.4 46.1 42.4h50.7V702.4h-54.2c-24.5 7.3-36.3 26.3-38.9 34.4z m76.8-395c53.5 0 96.6-61.5 96.6-137.6 0-76-43.1-137.5-96.6-137.5-53.4 0-96.6 61.5-96.6 137.5 0 76.1 43.2 137.6 96.6 137.6z m230.2 9.1c71.4 9.3 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100.0576 13.61664l16.28416 0-5.62688-21.61152c-44.70016-164.5952 109.82912-327.71072 310.8352-327.71072l27.2384 0-5.62432-19.53792C677.59616 186.43456 491.392 86.67136 308.73856 119.23456zM283.87072 263.40352c30.1952 20.4288 31.97184 64.5376 2.95936 83.48416-47.06816 30.78656-102.1312-23.38816-70.45632-69.57056C230.28736 256.59648 263.74144 249.78688 283.87072 263.40352zM526.62016 263.40352c49.73568 33.45408 12.43392 110.71744-43.22304 89.40288-40.25856-15.39328-44.99712-70.75072-7.40096-90.5856C490.79808 254.22848 513.88928 254.81984 526.62016 263.40352zM636.44928 385.37216c-141.2096 25.7536-239.19872 132.91776-233.57184 256.06656 7.40096 164.89472 200.71168 278.56896 386.32448 227.65312l21.90592-5.92128 46.1824 24.8704c25.4592 13.9136 46.77376 23.97696 47.36512 22.79168 0.59392-1.47968-4.43648-19.24352-10.95168-39.6672-14.79936-45.59104-15.09632-42.33472 4.73856-56.54272C1121.64864 654.464 925.67552 332.97408 636.44928 385.37216zM630.82496 518.28992c12.4288 8.28928 18.944 29.01248 13.61408 44.1088-11.24864 32.26624-59.49952 34.63424-72.52992 3.55328C557.10976 530.13248 597.9648 496.97536 630.82496 518.28992zM828.57472 521.84576c19.53792 18.64704 16.2816 50.32448-6.51264 62.16448-34.93376 17.76128-71.63904-17.76128-53.58336-51.80416C780.32128 510.2976 810.81344 504.97024 828.57472 521.84576z", + "抖音": + "M937.4 423.9c-84 0-165.7-27.3-232.9-77.8v352.3c0 179.9-138.6 325.6-309.6 325.6S85.3 878.3 85.3 698.4c0-179.9 138.6-325.6 309.6-325.6 17.1 0 33.7 1.5 49.9 4.3v186.6c-15.5-6.1-32-9.2-48.6-9.2-76.3 0-138.2 65-138.2 145.3 0 80.2 61.9 145.3 138.2 145.3 76.2 0 138.1-65.1 138.1-145.3V0H707c0 134.5 103.7 243.5 231.6 243.5v180.3l-1.2 0.1", + "哔哩哔哩": + "M306.005333 117.632L444.330667 256h135.296l138.368-138.325333a42.666667 42.666667 0 0 1 60.373333 60.373333L700.330667 256H789.333333A149.333333 149.333333 0 0 1 938.666667 405.333333v341.333334a149.333333 149.333333 0 0 1-149.333334 149.333333h-554.666666A149.333333 149.333333 0 0 1 85.333333 746.666667v-341.333334A149.333333 149.333333 0 0 1 234.666667 256h88.96L245.632 177.962667a42.666667 42.666667 0 0 1 60.373333-60.373334zM789.333333 341.333333h-554.666666a64 64 0 0 0-63.701334 57.856L170.666667 405.333333v341.333334a64 64 0 0 0 57.856 63.701333L234.666667 810.666667h554.666666a64 64 0 0 0 63.701334-57.856L853.333333 746.666667v-341.333334A64 64 0 0 0 789.333333 341.333333zM341.333333 469.333333a42.666667 42.666667 0 0 1 42.666667 42.666667v85.333333a42.666667 42.666667 0 0 1-85.333333 0v-85.333333a42.666667 42.666667 0 0 1 42.666666-42.666667z m341.333334 0a42.666667 42.666667 0 0 1 42.666666 42.666667v85.333333a42.666667 42.666667 0 0 1-85.333333 0v-85.333333a42.666667 42.666667 0 0 1 42.666667-42.666667z", + "淘宝": + "M168.5 273.7a68.7 68.7 0 1 0 137.4 0 68.7 68.7 0 1 0-137.4 0z m730 79.2s-23.7-184.4-426.9-70.1c17.3-30 25.6-49.5 25.6-49.5L396.4 205s-40.6 132.6-113 194.4c0 0 70.1 40.6 69.4 39.4 20.1-20.1 38.2-40.6 53.7-60.4 16.1-7 31.5-13.6 46.7-19.8-18.6 33.5-48.7 83.8-78.8 115.6l42.4 37s28.8-27.7 60.4-61.2h36v61.8H372.9v49.5h140.3v118.5c-1.7 0-3.6 0-5.4-0.2-15.4-0.7-39.5-3.3-49-18.2-11.5-18.1-3-51.5-2.4-71.9h-97l-3.4 1.8s-35.5 159.1 102.3 155.5c129.1 3.6 203-36 238.6-63.1l14.2 52.6 79.6-33.2-53.9-131.9-64.6 20.1 12.1 45.2c-16.6 12.4-35.6 21.7-56.2 28.4V561.3h137.1v-49.5H628.1V450h137.6v-49.5H521.3c17.6-21.4 31.5-41.1 35-53.6l-42.5-11.6c182.8-65.5 284.5-54.2 283.6 53.2v282.8s10.8 97.1-100.4 90.1l-60.2-12.9-14.2 57.1S882.5 880 903.7 680.2c21.3-200-5.2-327.3-5.2-327.3z m-707.4 18.3l-45.4 69.7 83.6 52.1s56 28.5 29.4 81.9C233.8 625.5 112 736.3 112 736.3l109 68.1c75.4-163.7 70.5-142 89.5-200.7 19.5-60.1 23.7-105.9-9.4-139.1-42.4-42.6-47-46.6-110-93.4z" +}; + +// 下拉列表项 +const list_items=["百度","微信","抖音","哔哩哔哩","淘宝"]; + +// 图标模板 +const iconTemplate=(path)=>{ + return ` + + + + `; +} + +// 下拉列表项模板 +const listItemTemplate=(text,translate_value)=>{ + return ` +
  • + +
    • + `; +} + +// 生成下拉列表项 +const renderListItems=()=>{ + dropdown_list.innerHTML+=list_items.map((item,index)=>{ + return listItemTemplate(item,100*index); + }).join(""); +} + +// 在页面加载事件中执行生成下拉列表项 +window.addEventListener("load",()=>{ + renderListItems(); +}) + +// 设置自定义属性的值 +const setDropdownProps=(deg,ht,opacity)=>{ + root.style.setProperty("--rotate-arrow",deg!==0?deg+"deg":0); + root.style.setProperty("--dropdown-height",ht!==0?ht+"rem":0); + root.style.setProperty("--list-opacity",opacity); +} + +// 下拉框按钮点击事件 +main_button.addEventListener("click",()=>{ + const list_wrapper_sizes=3.5; + const dropdown_open_height=4.6*list_items.length+list_wrapper_sizes; + const curr_dropdown_height=root.style.getPropertyValue("--dropdown-height")||0; + curr_dropdown_height==="0"?setDropdownProps(180,dropdown_open_height,1):setDropdownProps(0,0,0); +}) + +// 下拉列表项鼠标移入事件 +dropdown_list.addEventListener("mouseover",(e)=>{ + const translate_value=e.target.dataset.translateValue; + root.style.setProperty("--translate-value",translate_value); +}) + +// 下拉列表项点击事件 +dropdown_list.addEventListener("click",(e)=>{ + const clicked_item_text=e.target.innerText.toLowerCase().trim(); + const clicked_item_icon=icons[clicked_item_text]; + dropdown_title_icon.innerHTML=iconTemplate(clicked_item_icon); + dropdown_title.innerHTML=clicked_item_text; + setDropdownProps(0,0,0); +}) + +// 下拉列表项鼠标移动事件 +dropdown_list.addEventListener("mousemove",(e)=>{ + const icon_size=root.style.getPropertyValue("--floating-icon-size")||0; + const x=e.clientX-dropdown_list.getBoundingClientRect().x; + const y=e.clientY-dropdown_list.getBoundingClientRect().y; + const targetText=e.target.innerText.toLowerCase().trim(); + const hover_item_text=icons[targetText]; + floating_icon.innerHTML=iconTemplate(hover_item_text); + root.style.setProperty("--floating-icon-left",x-icon_size/2+"px"); + root.style.setProperty("--floating-icon-top",y-icon_size/2+"px"); +}) \ No newline at end of file