SoFunction
Updated on 2025-03-10

JS implements response button click pop-up of drag-and-drop non-modal dialog box complete example [test available] Original

part:

.dialog {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, .3);
  z-index: 9999;
}

.dialog-header {
  background-color: #f6f7f8;
  padding: 10px;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  cursor: move;
}

.dlgtitle {
  font-weight: bold;
  font-size: 16px;
}

.close-btn {
  float: right;
  cursor: pointer;
}

.dialog-content {
  padding: 20px;
}

part:

<button >Open the dialog box</button>

<div  class="dialog">
  <div class="dialog-header">
    <span class="dlgtitle">Dialog Title</span>
    <span class="close-btn">×</span>
  </div>
  <div class="dialog-content">
    <p>Here is the dialog box content</p>
  </div>
</div>

part:

var dialog = ('dialog');
var openBtn = ('openBtn');
var closeBtn = ('.close-btn');
var isDragging = false;
var mouseX, mouseY, dialogLeft, dialogTop;

// Record the mouse position and dialog box position when the mouse is presseddialogHeaderMouseDown = function(e) {
  isDragging = true;
  mouseX = ;
  mouseY = ;
  dialogLeft = ;
  dialogTop = ;
}

// Move the dialog box when the mouse is moved//  = function(e) {
dialogHeaderMouseMove = function(e) {
  if (isDragging) {
    var moveX =  - mouseX;
    var moveY =  - mouseY;
     = dialogLeft + moveX + 'px';
     = dialogTop + moveY + 'px';
  }
}

// Stop dragging when the mouse is released//  = function() {
dialogHeaderMouseup = function() {
  isDragging = false;
}

// Click the Open button to display the dialog box = function() {
   = 'block';
}

// Click the Close button or close the dialog box outside the dialog box = function() {
   = 'none';
}

 = function(e) {
  if ( == dialog) {
     = 'none';
  }
}

// Press the head of the dialog box with the mouse and start dragging the dialog boxvar header = ('.dialog-header');
('mousedown', dialogHeaderMouseDown);
('mousemove', dialogHeaderMouseMove);
('mouseup', dialogHeaderMouseup);

You can use the online tools of this site:http://tools./code/WebCodeRunTest the above code running effect.

Attachment: Complete sample code:

<!DOCTYPE html>
<html lang="zh_CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Drag-and-drop non-modal dialog box</title>
<style>
.dialog {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, .3);
  z-index: 9999;
}

.dialog-header {
  background-color: #f6f7f8;
  padding: 10px;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  cursor: move;
}

.dlgtitle {
  font-weight: bold;
  font-size: 16px;
}

.close-btn {
  float: right;
  cursor: pointer;
}

.dialog-content {
  padding: 20px;
}
</style>
</head>
<body>
<button >Open the dialog box</button>
<div  class="dialog">
  <div class="dialog-header">
    <span class="dlgtitle">Dialog Title</span>
    <span class="close-btn">×</span>
  </div>
  <div class="dialog-content">
    <p>Here is the dialog box content</p>
  </div>
</div>
<script>
var dialog = ('dialog');
var openBtn = ('openBtn');
var closeBtn = ('.close-btn');
var isDragging = false;
var mouseX, mouseY, dialogLeft, dialogTop;

// Record the mouse position and dialog box position when the mouse is presseddialogHeaderMouseDown = function(e) {
  isDragging = true;
  mouseX = ;
  mouseY = ;
  dialogLeft = ;
  dialogTop = ;
}

// Move the dialog box when the mouse is moved//  = function(e) {
dialogHeaderMouseMove = function(e) {
  if (isDragging) {
    var moveX =  - mouseX;
    var moveY =  - mouseY;
     = dialogLeft + moveX + 'px';
     = dialogTop + moveY + 'px';
  }
}

// Stop dragging when the mouse is released//  = function() {
dialogHeaderMouseup = function() {
  isDragging = false;
}

// Click the Open button to display the dialog box = function() {
   = 'block';
}

// Click the Close button or close the dialog box outside the dialog box = function() {
   = 'none';
}

 = function(e) {
  if ( == dialog) {
     = 'none';
  }
}

// Press the head of the dialog box with the mouse and start dragging the dialog boxvar header = ('.dialog-header');
('mousedown', dialogHeaderMouseDown);
('mousemove', dialogHeaderMouseMove);
('mouseup', dialogHeaderMouseup);
</script>
</body>
</html>

You can also use the online tools of this site:http://tools./code/HtmlJsRunTest the above code running effect!