如何在 HTML 中查詢 localStorage 的大小?
localStorage 用於跨多個會話持久儲存資訊。它最大可達 5MB。
示例
你可以嘗試執行以下程式碼片段來檢查分配的大小 −
var sum = 0; // loop for size for(var i in localStorage) { var amount = (localStorage[i].length * 2) / 1024 / 1024; sum += amount; document.write( i + " = " + amount.toFixed(2) + " MB"); } document.write( "Total = " + sum.toFixed(2) + " MB");
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