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<!DOCTYPE html> <html> <head> <script> function clickCounter() { if(typeof(Storage) !== "undefined") { if (localStorage.clickcount) { localStorage.clickcount = Number(localStorage.clickcount)+1; } else { localStorage.clickcount = 1; } document.getElementById("result").innerHTML = "You have clicked the button " + localStorage.clickcount + " time(s)."; } else { document.getElementById("result").innerHTML = "抱歉，您的浏览器不支持网络存储..."; } } </script> </head> <body> <p><button onclick="clickCounter()" type="button">单击我！</button></p> <div id="result"></div> <p>点击按钮可以看到计数器增加。</p> <p>关闭浏览器选项卡（或窗口），重试，计数器会继续计数（不会重置）。</p> </body> </html>