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edelabar/CreateIndexedDB.js

Created September 30, 2011 11:53
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Example JavaScript for working with HTML5 IndexedDB
Raw
CreateIndexedDB.js
var v = "1.0."+(new Date()).getTime();
var iDB = window.webkitIndexedDB || window.mozIndexedDB;
var oReq = iDB.open("myDB");
oReq.onsuccess = function(event) {
db = event.result || event.target.result;
var vReq = db.setVersion(v);
console.log(vReq);
vReq.onsuccess = function(e) {
console.log("Version set!",db);
cReq = db.createObjectStore("myStore", {keyPath:"myKey"});
}
}
Raw
InsertData.js
var iDB = window.webkitIndexedDB || window.mozIndexedDB;
var oReq = iDB.open("myDB");
oReq.onsuccess = function(e) {
db = event.target.result;
var trans = db.transaction(["myStore"],webkitIDBTransaction.READ_WRITE,0);
var store = trans.objectStore("myStore");
var pReq = store.put({myKey:1,myValue:"Eric"});
pReq.onsuccess = function(e) {
console.log("Successfully Inserted!",e);
}
}
Raw
QueryData.js
var iDB = window.webkitIndexedDB || window.mozIndexedDB;
var oReq = iDB.open("myDB");
oReq.onsuccess = function(e) {
db = event.target.result;
var trans = db.transaction(["myStore"],webkitIDBTransaction.READ_WRITE,0);
var store = trans.objectStore("myStore");
var keyRange = webkitIDBKeyRange.lowerBound(0);
var cReq = store.openCursor(keyRange);
cReq.onsuccess = function(e) {
var result = e.target.result;
if( !!result == false ) return;
console.log("Object: ",result.value);
result.continue();
}
}
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