IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

自己做导航栏

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属性属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="A-4-box">
            
            <div class="A-5-box">
                <button class="button">首页</button>
                <button class="button2">在线定制</button>
                <button class="button">标准箱</button>
                <button class="button2">品质保证</button>
            </div>
          
                <div class="B-box"> 
                    <div class="B-0-box">
                        <div class="B-1-box"></div>
                        <div class="B-1-box"></div>
                        <div class="B-1-box"></div>
                    </div> 
                      <ul class="B-ul">
                    <li class="B-li">首页</li>
                    <li class="B-li">在线定制</li>
                    <li class="B-li">标准箱</li>
                    <li class="B-li">品质保证</li>
                </ul> 
                </div>
               
            
        </div>

.A-4-box {

    height: 1rem;
    padding: 0 15vw;
    background-color: #f9f9f9;
    display: flex;
    justify-content: flex-end;
}

.A-5-box {
    padding-top: .27rem;
    display: flex;


}



.button {
    font-size: .14rem;
    color: black;
    height: .46rem;
    width: .65rem;
    border: 1px solid #ffffff;
    background-color: #ffffff;
    margin-left: .6rem;
    border-radius: 5px;

}

.button2 {
    font-size: .14rem;
    color: black;
    height: .46rem;
    width: 1rem;
    border: 1px solid #ffffff;
    background-color: #ffffff;
    margin-left: .6rem;
    border-radius: 5px;

}

.button:focus {
    font-size: .14rem;
    color: white;
    background-color: #1d7ad9;
    border: 1px solid #1d7ad9;
    outline: none;
    border: none;

}

.button2:focus {
    font-size: .14rem;
    color: white;
    background-color: #1d7ad9;
    border: 1px solid #1d7ad9;
    outline: none;
    border: none;

}

@media only screen and (max-width:1200px) {
    .A-5-box {
        padding-top: .27rem;
        display: flex;
        width: 80%;

    }
}

.B-box {

    width: 100%;
    display: none;

}

.B-0-box {
    float: right;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    background-color: cornflowerblue;
    width: .5rem;
    height: .4rem;
    padding: 5px;
    margin: .27rem 0 .27rem 0;
    border-radius: 10%;


}

.B-1-box {
    border-bottom: 1px solid white;
    width: .3rem;


}

.B-ul {

    margin-top: 1rem;
    background-color: white;
    width: 100%;
    font-size: .2rem;
    text-align: center;
    display: none;
}

.B-li {
    padding: 5px;
    list-style: none;


}

.B-li:hover {
    background-color: #1d7ad9;
}

.B-box:hover .B-ul {
    display: block;
    margin-bottom: 0;

}

@media only screen and (max-width:900px) {
    .B-0-box {
        margin: .27rem 15vw;
    }

    .A-5-box {
        display: none;
    }

    .B-box {

        display: block;
    }


    .A-4-box {
        padding: 0;
        height: 100%;
    }

}

@media only screen and (max-width:425px) {
    .B-0-box {
        margin: .27rem 10px;
    }
}

sass什么时候用？需要精通吗？

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sass

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

一开始设置的是杀手跟平民有一方全部死亡才结束，后来换了杀手与平民同数量即杀手胜

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

sessionStorage.removeItem("dayNumberTF");
var square = document.getElementsByClassName("square");
var square1 = document.getElementsByClassName("square-1");
var square2 = document.getElementsByClassName("square-2");
var lenSquare = JSON.parse(localStorage.kCArray).length;
var squareArray = JSON.parse(localStorage.kCArray);
var dieNA = new Array();
var dieNumber;
if (sessionStorage.speak == undefined) {
    document.getElementsByClassName("speak")[0].innerHTML = "杀手请选择要杀死的目标";
    sessionStorage.speak = true;
}
else {
    document.getElementsByClassName("speak")[0].innerHTML = "大家请投票";
    sessionStorage.removeItem("speak");
}
for (var i = 1; i < lenSquare; i++) {
    var newSquare = square[0].cloneNode(true);
    square[0].parentNode.appendChild(newSquare);
}
for (x in squareArray) {
    square1[x].innerHTML = squareArray[x];
    square2[x].innerHTML = 1 + Number(x);
}
for (let i = 0; i < lenSquare; i++) {
    document.getElementsByClassName("square")[i].addEventListener("click", function () {
        for (let n = 0; n < lenSquare; n++) {
            document.getElementsByClassName("hover-pen")[n].style.display = "none";
        }
        if (JSON.parse(sessionStorage.dieNAS).indexOf(i) == -1) {
            document.getElementsByClassName("hover-pen")[i].style.display = "block";
        }
        dieNumber = i;
    });
}
if (sessionStorage.undefined == undefined) {
    sessionStorage.dieNAS = JSON.stringify(dieNA);
    sessionStorage.undefined = "aaa";
}
if (sessionStorage.a) {
    for (x in JSON.parse(sessionStorage.dieNAS)) {
        document.getElementsByClassName("square-1")[JSON.parse(sessionStorage.dieNAS)[x]].style.background = "gray";
        document.getElementsByClassName("square-2")[JSON.parse(sessionStorage.dieNAS)[x]].style.background = "gray";
        document.getElementsByClassName("square-2")[JSON.parse(sessionStorage.dieNAS)[x]].style.color = "black";
    }
}
function titleR() {
    window.location.href = "../html/task13-3.html";
    sessionStorage.clear();
    localStorage.killer = 2;
    localStorage.civilian = 6;
}
function startGame() {
    if (dieNumber == undefined) {
        alert("请选择一个人");
    }  
    else if (squareArray[dieNumber] == "杀手" && sessionStorage.killerCK) {
        alert("不能选择自己");
    } 
    else if (sessionStorage.dieNAS.indexOf(dieNumber) != -1) {
        alert("不能杀死已死亡的人");
    } 
    else if (sessionStorage.dieNAS.indexOf(dieNumber) == -1) {
        dieNA.push(dieNumber);
        sessionStorage.dieNAS = JSON.stringify(JSON.parse(sessionStorage.dieNAS).concat(dieNA));
        for (x in JSON.parse(sessionStorage.dieNAS)) {
            squareArray.splice(JSON.parse(sessionStorage.dieNAS)[x],1);
            squareArray.splice(JSON.parse(sessionStorage.dieNAS)[x],0,"0");
        }
        if (squareArray.indexOf("杀手") == -1) {
            location.href = "task13-2.html";
            sessionStorage.civilianVictory = true; 
        }
        

        for (var y = 0; squareArray.indexOf("杀手") >= 0; y++) {
            squareArray.splice(squareArray.indexOf("杀手"),1);
        }
        for (var yy = 0; squareArray.indexOf("平民") >= 0; yy++) {
            squareArray.splice(squareArray.indexOf("平民"),1);
        }
        sessionStorage.killerRemains = y;
        sessionStorage.civilianRemains = yy;   
        if (y == yy) {
            location.href = "task13-2.html";
            sessionStorage.killerVictory = true;
        }
        else {
            location.href = "task4.html";
        }
    }
}

如何实现table的响应式

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

 <table class="web">
                            <tr>
                                <td>
                                    <div class="ios1">
                                        <div class="ios-title">IOS工程师</div>
                                        <div class="ios-content">iOS是由苹果公司开发的移动操作统，iOS与苹果的Mac OS
                                            X操作系统一样也是以Darwin为基础的，因此同样属于类Unix的商业操作系统。国内iOS开发起步相对较晚，人才培养机制更是远远跟不上市场发展速度。有限的iOS开发人才成了国内企业必争的资源。国内
                                            iOS开发起步相对较晚，人才培养机制更是远远跟不上市场发展速度。有限的iOS开发人才成了国内企业必争的资源。
                                        </div>
                                    </div>
                                </td>
                            </tr>


                            <!--表格第一行-->
                            <tr>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                                <td class="row-hidden"></td>
                            </tr>
                            <tr>
                                <td colspan="10">
                                    <div class="row-one">
                                        <div class="man"></div>
                                        <div class="row-one-right">
                                            <div class="it-type">Web前端工程师</div>
                                            <div class="it-type-explain">
                                                Web前端开发工程师，主要职责是利用(X)HTML/CSS/JavaScript/flash等各种Web技术记性产品的开发。
                                            </div>
                                        </div>
                                    </div>
                                </td>
                            </tr>
                            <!--表格第二行-->
                            <tr class="row-bottom">
                                <td class="row-two-left" colspan="5">
                                    <div class="table-word1">门槛</div><img class="star" src="img/task8.3/star.png">
                                </td>
                                <td class="row-two-right" colspan="5">
                                    <div class="table-word1">难易程度 </div>
                                    <img class="star" src="img/task8.3/star.png">
                                    <img class="star" src="img/task8.3/star.png">
                                </td>
                            </tr>
                            <!-- 表格第三行 -->
                            <tr class="row-bottom">
                                <td class="row-two-left" colspan="5">
                                    <div class="table-word1">成长周期
                                        <div class="table-word2">1-3</div>
                                        <div class="table-word3">年</div>
                                    </div>
                                </td>
                                <td class="row-two-right" colspan="5">
                                    <div class="table-word1">稀缺程度  
                                        <div class="table-word2">345</div>
                                        <div class="table-word3">家公司需要</div>
                                    </div>
                                </td>
                            </tr>
                            <!-- 表格第四行 -->
                            <tr class="row-bottom">
                                <td rowspan="3" colspan="4" class="row-four-left">薪资待遇</td>
                                <td rowspan="1" colspan="6">
                                    <div class="row-four-right">
                                        <div>0-1年</div>
                                        <div>5k-10k/月</div>
                                    </div>
                                </td>
                            </tr>
                            <!-- 表格第五行 -->
                            <tr class="row-bottom">
                                <td  colspan="10">
                                    <div class="row-four-right">
                                        <div>0-1年</div>
                                        <div>5k-10k/月</div>
                                    </div>
                                </td>
                            </tr>
                            <!-- 表格第六行 -->
                            <tr class="row-bottom">
                                <td  colspan="10">
                                    <div class="row-four-right">
                                        <div>0-1年</div>
                                        <div>5k-10k/月</div>
                                    </div>
                                </td>
                            </tr>
                            <!-- 表格第七行 -->
                            <tr class="row-bottom">
                                <td colspan="10">
                                    <div class="row-seven-word">有<span class="row-seven-number">286</span>人正在学</div>
                                </td>
                            </tr>
                            <tr class="row-bottom">
                                <td colspan="10">
                                    <div class="row-ten-word">提示:在你学习之前你应该已经掌握XXXXX、XXXXX、XX等语言基础</div>
                                </td>
                            </tr>
                        </table>

input标签为什么会往下排？

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

header {
  width: 100%;
  height: 0.5rem;
  font-size: 0.16rem;
  background-color: aqua;
  text-align: center;
  color: white;
  line-height: 0.5rem;
}

header .header-left {
  float: left;
  margin-left: 0.2rem;
}

header .header-right {
  float: right;
  margin-right: 0.2rem;
}

main form div {
  position: relative;
  height: 0.5rem;
  background-color: white;
  margin: 0.2rem 0;
}

main form div img {
  margin: .15rem;
  padding-right: 0.2rem;
  border-right: .01rem solid;
}

main form div input {
  position: absolute;
  top: calc(50% - .1rem);
  height: .2rem;
  border: 0;
  padding: 0;
  outline: none;
  font-size: 0.16rem;
}

在屏幕缩放时怎么才可以固定高度的情况下保持图片的清晰度

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响应式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

CSS
.depth {
    width: 100%;
    height: 100%;
    .inner {
        width: 100%;
        height: 100%;
    }
}
HTML
        <div class="depth">
            <img class="inner" src="./images/hand.png" alt="">
        </div>

进度条的实现是不是太死板了？

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属性

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<ul class="time-horizontal">
          <li class="time-active"><b></b><span>1</span>1.定制纸箱</li>
          <li><b></b><span>2</span>2.选择数量</li>
          <li><b></b><span>3</span>3.上传附件</li>
          <li><b></b><span>4</span>4.确认下单</li>
        </ul>

.time-horizontal {
  float: right;
  padding-top: 20px;
  margin: 0;
  list-style: none;
  overflow: hidden;
}
.time-horizontal li {
  float: left;
  position: relative;
  width: 160px;
  padding: 20px 0;
  text-align: center;
  border-top: 5px solid rgb(204, 204, 204);
  color: rgb(204, 204, 204);
}
.time-horizontal li b::before {
  content: '';
  position: absolute;
  top: -17.5px;
  left: 67.5px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: rgb(204, 204, 204);
}
.time-horizontal li span {
  position: absolute;
  top: -14px;
  left: 76px;
  color: rgb(255, 255, 255);
}
.time-horizontal .time-active {  
  color: rgb(255, 127, 2);
  border-top-color: rgb(255, 127, 2);
}
.time-horizontal .time-active b::before {background-color: rgb(255, 127, 2); }

select 旁边小图标点击无效，不能使用lable解决

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class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

  <div class="Selectionlr"   >
     <form  action="">
      <i class="icon8 "></i>
        <select>
        <option selected>所在地</option>
            <option value="beijing">北京</option>
            <option value="shanghai">上海</option>
            <option value="guangzhou">广州</option>
             </select>
             
     </form>  
    </div>

如何清除下拉框的滚动条，还能滑动，使其达到更美观。

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通用通用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

filterBox {
    margin-top: 4.4rem;
    display: flex;
    color: #999;
    border-bottom: 1px solid #e1e5e7;
}

.one-filter,
.two-filter,
.three-filter {
    width: 33.3%;
    height: 4rem;
    line-height: 4rem;
    font-size: 1.2rem;
    text-align: center;
    border-right: 1px solid #e1e5e7;
    position: relative;
    cursor: pointer;
}

.city,
.Roomboard,
.patient-situation {
    overflow: auto;
    min-width: 100%;
    height: 20rem;
    display: none;
    position: absolute;
    background-color: #fbf7f7;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
}

.one-filter:hover .city,
.two-filter:hover .Roomboard,
.three-filter:hover .patient-situation {
    display: block;
}

GitHub客户端是封装了git功能，完全不需要下载gitl

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git

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本