【问题标题】:Close nav (position fixed) when click outside but NOT when navlinks are clicked?单击外部时关闭导航(位置固定)但单击导航链接时不关闭?
【发布时间】:2020-08-13 10:16:15
【问题描述】:

我到处寻找并尝试了几件事,但我无法找到一种方法来使您单击链接时导航不关闭。在这种状态下,当我单击任何位置时它会关闭。

我知道这是因为导航是固定位置,所以它在文档流程之外,这就是为什么点击链接与点击任何地方一样。我能做什么?

有人有想法吗?

非常感谢!

JS:

<script>
  window.addEventListener('mouseup', function(event) {
    var nav = $("#mySidenav");
    var navlinks = $("[id^='navLink']");
    if(event.target != nav && event.target != navlinks){
      closeNav();
    };
  })
</script>

CSS:

 .sidenav {
    height: 100%; 
    width: 25rem; 
    position: fixed; 
    z-index: 5;  
    left: -27rem;
    background: linear-gradient(15deg, #e2af40a9, rgba(51, 116, 116, 
    0.589)30%, rgb(51, 116, 116));
    overflow: hidden;
    padding-top: 1rem; 
    transition: all ease-in-out 0.4s; 
   }

HTML:

<div id="mySidenav" class="sidenav">
    <img id="logo" src="..." alt="...">

     <a href="javascript:void(0)" class="text-decoration-none closebtn" 
     onclick="closeNav()">&times;</a>
            
     <a id="navLink1" class="animNav item text-decoration-none align-bottom" 
     href="#">about</a>
            
      <a id="navLink2" class="animNav item text-decoration-none align-bottom" 
      href="#">another link</a>
            
       <a id="navLink3" class="animNav item text-decoration-none align-bottom" 
       href="#">another link</a>
            
       <a id="navLink4" class="animNav item text-decoration-none align-bottom" 
       href="#">another link</a>
            
       <a id="navLink5" class="animNav item text-decoration-none align-bottom" 
       href="#">another link</a>
</div>

    <button type="button" class="navbar-dark btn btn-styleNav navbar-toggler" onclick="openNav()" &#9776;>          
        <span class="navbar-toggler-icon"></span>
    </button>
    
    <script>
       function openNav() {
          $("#mySidenav").css({"left": "0rem"});}
                
        function closeNav() {
           $("#mySidenav").css({"left": "-27rem"});}
    </script>

【问题讨论】:

    标签: javascript position navbar addeventlistener fixed


    【解决方案1】:

    好的,我发现什么不起作用:EventListeners 不理解 Jquery。 + 我的代码写得不太好,所以我清理了它!

    所以,这是我的工作代码,如果它可以帮助某人!

    HTML

    <!--NAVIGATION-->
    <header>
        <div id="mySidenav" class="sidenav">
            <button type="button" id="closeButton">&times;</button>
    
            <a href="#">Link</a>
    
            <a href="#">Link</a>
    
            <a href="#">Link</a>
    
            <a href="#">Link</a>
    
            <a href="#">Link</a>
        </div>
    
        <button id="openButton" type="button">
            <span class="navbar-toggler-icon"></span>
        </button>
    </header>
    

    CSS

    .sidenav {
        height: 100%;
        width: 25rem;
        position: fixed;
        z-index: 5;
    }
    
    .sidenav .closebtn {
        position: absolute;
        top: 0;
        right: 0px;
        z-index: 1;
        overflow: hidden;
    }
    

    JS

    //SIDENAV OPEN AND CLOSE DEPENDING ON WHERE YOU CLICK
    
    var open = false;
    //Opening and closing functions
    function openNav() {
        $("#mySidenav").css({"left": "0rem"});
        open = true; 
    }
    
    function closeNav() {
        $("#mySidenav").css({"left": "-27rem"});
        open = false;
    }
    //Event on button to open the nav 
    $("#openButton").click(function() {
        openNav();
        console.log("Opening nav")
    });
    //Event on button to close the nav
    $("#closeButton").click(function() {
        closeNav();
        console.log("Closing nav")
    });
    
    //check if the nav is opened and if the element clicked is NOT the nav and if the element clicked is also NOT the navlinks (that is to say: you clicked anywhere else on the page) then, the nav closes.
    document.addEventListener("mouseup", function(event){
        var nav = document.getElementById('mySidenav');
        if(open == true && event.target != nav && event.target.parentNode != nav){
                closeNav();
                console.log("Closing because the click was not on the nav and not on the nav links");
        //check if the nav is really closed
        } else if (open == false) {
            console.log("Nav is closed by default")
        }  
    })
    

    【讨论】:

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