通过单击外部关闭弹出窗口 javascript-前端问题

Close popup by clicking outside it javascript(通过单击外部关闭弹出窗口 javascript)

本文介绍了通过单击外部关闭弹出窗口 javascript的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我使用本教程将弹出窗口添加到我的网页.有没有办法让它在你点击它外部/点击另一个弹出窗口时关闭.

I used this tutorial to add popups to my webpage. Is there a way to make it so a popup closes when you click outside it/click on a different one.

我已经尝试根据这篇文章添加一个 invisibleDiv 通过单击外部 div 来关闭弹出 div，但仅在单击按钮本身时弹出仍然会移动.

I've tried adding an invisibleDiv as per this post Close pop up div by clicking outside of it but the popup is still only moving when the button itself is clicked.

https://www.w3schools.com/howto/howto_js_popup.asp

// When the user clicks on div, open the popup
function myFunction() {
  var popup = document.getElementById("myPopup");
  popup.classList.toggle("show");
}

    /* Popup container - can be anything you want */
    .popup {
      position: relative;
      display: inline-block;
      cursor: pointer;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }
    
    /* The actual popup */
    .popup .popuptext {
      visibility: hidden;
      width: 160px;
      background-color: #555;
      color: #fff;
      text-align: center;
      border-radius: 6px;
      padding: 8px 0;
      position: absolute;
      z-index: 1;
      bottom: 125%;
      left: 50%;
      margin-left: -80px;
    }
    
    /* Popup arrow */
    .popup .popuptext::after {
      content: "";
      position: absolute;
      top: 100%;
      left: 50%;
      margin-left: -5px;
      border-width: 5px;
      border-style: solid;
      border-color: #555 transparent transparent transparent;
    }
    
    /* Toggle this class - hide and show the popup */
    .popup .show {
      visibility: visible;
      -webkit-animation: fadeIn 1s;
      animation: fadeIn 1s;
    }
    
    /* Add animation (fade in the popup) */
    @-webkit-keyframes fadeIn {
      from {opacity: 0;} 
      to {opacity: 1;}
    }
    
    @keyframes fadeIn {
      from {opacity: 0;}
      to {opacity:1 ;}
    }

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body style="text-align:center">
    <h2>Popup</h2>
    <div class="popup" onclick="myFunction()">Click me to toggle the popup!
      <span class="popuptext" id="myPopup">A Simple Popup!</span>
    </div>
  </body>
</html>

推荐答案

拥有一个检查被点击元素的 classList 的全局点击处理程序是在点击外部时关闭弹出窗口的一种方法.这是一个例子:

Having a global click-handler that checks the clicked element's classList is one way to close the pop-up when clicking outside of it. Here is an example:

const popups = [...document.getElementsByClassName('popup')];

window.addEventListener('click', ({ target }) => {
  const popup = target.closest('.popup');
  const clickedOnClosedPopup = popup && !popup.classList.contains('show');
  
  popups.forEach(p => p.classList.remove('show'));
  
  if (clickedOnClosedPopup) popup.classList.add('show');  
});

/* Popup container - can be anything you want */
.popup {
  position: relative;
  display: inline-block;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* The actual popup */
.popup .popuptext {
  visibility: hidden;
  width: 160px;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 8px 0;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -80px;
}

/* Popup arrow */
.popup .popuptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

/* Toggle this class - hide and show the popup */
.popup.show .popuptext {
  visibility: visible;
  -webkit-animation: fadeIn 1s;
  animation: fadeIn 1s;
}

/* Add animation (fade in the popup) */
@-webkit-keyframes fadeIn {
  from {opacity: 0;} 
  to {opacity: 1;}
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity:1 ;}
}

<h2>Popup</h2>

<div class="popup">Click me to toggle the popup!
  <span class="popuptext">A Simple Popup!</span>
</div>

<div class="popup">Click me to toggle the popup!
  <span class="popuptext">A Simple Popup!</span>
</div>

这篇关于通过单击外部关闭弹出窗口 javascript的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持编程学习网！