Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <h1>存储 clear() 方法</h1> <p>此示例演示如何使用 clear() 方法删除该域的所有本地存储项。</p> <h2>缺少 localStorage 项目？</h2> <p>由于您的本地存储中可能没有任何项目，我们添加了一个脚本来为您创建一些项目。</p> <button onclick="createItems()">创建本地存储项</button> <h2>删除项目</h2> <p>点击按钮删除项目：</p> <button onclick="deleteItems()">删除项目</button> <h2>显示项目</h2> <p>点击按钮显示所有项目：</p> <button onclick="displayItems()">显示项目</button> <p id="demo"></p> <script> function createItems() { localStorage.setItem("mytime", Date.now()); localStorage.setItem("myname", "John"); localStorage.setItem("myage", 36); } function deleteItems() { localStorage.clear(); } function displayItems() { var l, i; document.getElementById("demo").innerHTML = ""; for (i = 0; i < localStorage.length; i++) { x = localStorage.key(i); document.getElementById("demo").innerHTML += x + "<br>"; } } </script> </body> </html>