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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <div id="data"></div> | |
| <script> | |
| const request = window.indexedDB.open("testDB", 1); | |
| request.onupdatedneeded = function(){ | |
| const objectStore = request.result.createObjectStore("users", {keyPath:"id"}); | |
| objectStore.add({ | |
| id: 1, | |
| name: "Eva Smith", | |
| hobbies: ["travelling"] | |
| }); | |
| objectStore.add({ | |
| id: 2, | |
| name: "Bill Smith", | |
| hobbies: ["tennis"] | |
| }); | |
| objectStore.createIndex("by-name", "name") | |
| } | |
| request.onsuccess = function(){ | |
| const transaction = request.result.transaction(['users'], 'readonly'); | |
| const objectStore = transaction.objectStore("users"); | |
| objectStore.get(1).onsuccess = function(){ | |
| document.getElementById("data").innerHTML = this.result.name; | |
| } | |
| } | |
| request.onerror = function(){} | |
| request.onblocked = function(){} | |
| </script> | |
| </body> | |
| </html> |
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"onupdatedneeded" doesn't exist, I think you mean "onupgradeneeded"