javascript - 当我向下滚动时如何使导航菜单消失

Question

我的网站上有以下导航栏。（在最大宽度 540px 的屏幕上）

当我在我的页面上向下滚动时，导航栏保持打开状态，我希望它在滚动时消失。（将其翻译回 -100% ）就像在切换汉堡线之前一样。

我假设我需要在我的 js 文件中进行更多验证。

欢迎任何帮助，在此先感谢您。

您可以在此处查看代码：https ://codepen.io/bunea-andrei/pen/jOBGNgd?editors=1010 。

或者这个片段：

我不确定您是否可以调整片段窗口的大小以查看我在说什么。

const wrapperSlide = () => {
  const burger = document.querySelector(".burger");
  const wrapper = document.querySelector(".wrapper");

  const wrapperLinks = document.querySelectorAll(".wrapper span");

  burger.addEventListener("click", () => {

    wrapper.classList.toggle("wrapper-active");


    window.addEventListener('mouseup', function(event) {
      if (event.target != wrapper && event.target != burger && event.target.parentNode != burger && event.target.parentNode != wrapper && burger.classList.contains("toggle")) {
        wrapper.classList.remove("wrapper-active");
        burger.classList.toggle("toggle");
      }
    });



    //Burger Animation
    burger.classList.toggle("toggle");
  });

}


wrapperSlide();

/*
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com
Twitter: @rich_clark
*/

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

body {
    line-height: 1;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

    nav ul {
        list-style: none;
    }

blockquote, q {
    quotes: none;
}

    blockquote:before, blockquote:after,
    q:before, q:after {
        content: '';
        content: none;
    }

a {
    margin: 0;
    padding: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

/* change colours to suit your needs */
ins {
    background-color: #ff9;
    color: #000;
    text-decoration: none;
}

/* change colours to suit your needs */
mark {
    background-color: #ff9;
    color: #000;
    font-style: italic;
    font-weight: bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom: 1px dotted;
    cursor: help;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* change border colour to suit your needs */
hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #cccccc;
    margin: 1em 0;
    padding: 0;
}

input, select {
    vertical-align: middle;
}






menu {
    width: 100%;
    background: black;
    height: 90px;
    border-bottom: 22px solid red;
    
    display: flex;
    justify-content: center;
    align-items: center;
}



 menu .box { /* creating the box in which i will put each item of the nav menu*/
        min-width: 180px; 
        height: 70px;
        text-align: center;
        line-height: 65px;
        cursor: pointer;
    }


 menu span {    /*  editing the writing of the menu bar*/
        color: white;
        font-size: 25px; 
         margin-top: 30px;  
    }


  menu .burger div {
        width: 35px;
        height: 4px;
        display: none;
        background-color: #97903f;
        transition: all 0.3s ease;      
    }


    menu .burger .line1, .line2 {   /* margins only for first and second line*/
        margin-bottom: 5px;
    }



@media only screen and (max-width: 540px) { /*    IPHONE 6/7/8/10   SAMSUNG GALAXY S5  and some small tablets */


    /* --------------  menu with navigation    ------------------   */

    menu {
      top:0;
        border-bottom: none;
        height: 40px;
        background-color: rgb(35 22 68 / 0.94);
        justify-content: left;
        width: 100%;
        position: fixed;
        z-index: 100; /* to make it pass the image slider and everything when scrolling */
        /* to make it follow the user when he scrolls*/
    }


        menu .burger {
            margin-left: 10px;
        }


            menu .burger div { /* editing the burger lines */
                display: block;
            }


        menu .wrapper {
            top: 40px;
            position: absolute;
            left: 0;
            width: 200px;
            height: 498px;
            display: inline-block;
            background-color: rebeccapurple;
            transform: translateX(-102%); /* why 102 wtf g */
            transition: transform 0.5s ease-in;
        }

        menu .line { /* modify the separation line from vertical display to horizontal */
            height: 1px;
            width: 100%;
            background: grey;
        }


    .wrapper.wrapper-active { /*  bringing the nav bar up when the user clicks the burger lines */
        transform: translateX(0%);
    }


    /*  animating the burger lines in the shape of an x */

    .toggle .line1 {
        transform: rotate(-45deg) translate(-5.5px, 7px);
    }

    .toggle .line2 {
        opacity: 0;
    }

    .toggle .line3 {
        transform: rotate(45deg) translate(-5.5px, -7px);
    }


  content{
    display:block;
    widht:300px;
    height:auto;
    text-align:center;
    line-height:1.5em;
    margin-top:50px;
  }

}
    
        
    

<menu>

  <div class="burger">
    <div class="line1"></div>
    <div class="line2"></div>
    <div class="line3"></div>
  </div>


  <div class="wrapper">

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Fruits</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Garbage</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Flower</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Books</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Cakes</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Just Stuff</span>
    </div>

    <div class="line"></div>
    <div onclick="location.href='https://www.google.com/';" class="box">
      <span>Hello</span>
    </div>
    <div class="line"></div>

  </div>

</menu>

<content>
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</content>

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