HTML Indexeddb Update

You are Here:

HTML Indexeddb Update

In the following example, We will update a value (where id=0001) in the table ('MyTableName') under the database ('MyDatabase').

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <p id="point"></p> <script> var x = document.getElementById("point"); var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB || window.shimIndexedDB; var open = indexedDB.open("MyDatabase", 1);open.onupgradeneeded = function(){ var db = open.result; var store = db.createObjectStore("MyTableName", {keyPath: "id"}); var index = store.createIndex("NameIndex", ["name.last", "name.first"]); }; open.onsuccess = function(){ // Start a new transaction var db = open.result; var tx = db.transaction("MyTableName", "readwrite"); var store = tx.objectStore("MyTableName"); var index = store.index("NameIndex"); // Add some data store.put({id: 0001, name: {first: "Brenden", last: "Eich"}, age: 58}); store.put({id: 0002, name: {first: "Dennis", last: "Ritchie"}, age: 70}); // Update store.put({id: 0001, name: {first: "Bjarne", last: "Stroustrup"}, age: 67}); // Query the data var getEich = store.get(0001); var getRitchie = index.get(["Ritchie", "Dennis"]); getEich.onsuccess = function(){ x.innerHTML += getEich.result.name.first +"<br>"; }; getRitchie.onsuccess = function(){ x.innerHTML += getRitchie.result.name.first; // => "Bob" }; // Close the db when the transaction is done tx.oncomplete = function(){ db.close(); }; } </script> </body> </html>

Reminder

Hi Developers, we almost covered 99.5% of HTML Tutorials with examples for quick and easy learning.

We are working to cover every Single Concept in HTML.

Please do google search for:

Join Our Channel

Join our telegram channel to get an instant update on depreciation and new features on HTML, CSS, JavaScript, jQuery, Node.js, PHP and Python.

This channel is primarily useful for Full Stack Web Developer.

Share this Page

Meet the Author