html5弹窗代码

html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>HTML5弹窗示例</title> <style> /* 弹窗样式 */ .modal { display: none; /* 默认隐藏 */ position: fixed; z-index: 1; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.5); /* 半透明黑色背景 */ } .modal-content { background-color: #fefefe; margin: 15% auto; padding: 20px; border: 1px solid #888; width: 80%; } /* 关闭按钮样式 */ .close { color: #aaa; float: right; font-size: 28px; font-weight: bold; } .close:hover, .close:focus { color: black; text-decoration: none; cursor: pointer; } </style> </head> <body> <!-- 弹窗内容 --> <div id="myModal" class="modal"> <div class="modal-content"> <span class="close">&times;</span> <p>这是一个弹窗示例。</p> </div> </div> <!-- 触发弹窗的按钮 --> <button id="myBtn">打开弹窗</button> <script> // 获取弹窗和关闭按钮 var modal = document.getElementById("myModal"); var btn = document.getElementById("myBtn"); var span = document.getElementsByClassName("close")[0]; // 点击按钮打开弹窗 btn.onclick = function() { modal.style.display = "block"; } // 点击关闭按钮关闭弹窗 span.onclick = function() { modal.style.display = "none"; } // 当用户点击弹窗外部区域,关闭弹窗 window.onclick = function(event) { if (event.target == modal) { modal.style.display = "none"; } } </script> </body> </html>

这个示例中,有一个按钮,点击按钮会弹出一个带有文本内容的弹窗。用户可以点击弹窗的关闭按钮或者点击弹窗外部的区域来关闭弹窗。

html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>HTML5弹窗示例</title> <style> /* 弹窗样式 */ .modal { display: none; /* 默认隐藏 */ position: fixed; z-index: 1; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.5); /* 半透明黑色背景 */ } .modal-content { background-color: #fefefe; margin: 15% auto; padding: 20px; border: 1px solid #888; width: 80%; } /* 关闭按钮样式 */ .close { color: #aaa; float: right; font-size: 28px; font-weight: bold; } .close:hover, .close:focus { color: black; text-decoration: none; cursor: pointer; } </style> </head> <body> <!-- 弹窗内容 --> <div id="myModal" class="modal"> <div class="modal-content"> <span class="close">&times;</span> <p>这是一个弹窗示例。</p> </div> </div> <!-- 触发弹窗的按钮 --> <button id="myBtn">打开弹窗</button> <!-- JavaScript 部分 --> <script> // 获取弹窗和关闭按钮 var modal = document.getElementById("myModal"); var btn = document.getElementById("myBtn"); var span = document.getElementsByClassName("close")[0]; // 点击按钮打开弹窗 btn.onclick = function() { modal.style.display = "block"; } // 点击关闭按钮关闭弹窗 span.onclick = function() { modal.style.display = "none"; } // 当用户点击弹窗外部区域,关闭弹窗 window.onclick = function(event) { if (event.target == modal) { modal.style.display = "none"; } } </script> </body> </html>

这段代码包含了一个简单的弹窗功能。当点击按钮"打开弹窗"时,会显示一个包含文本内容的弹窗。用户可以点击弹窗上的关闭按钮或者点击弹窗外部来关闭弹窗。