WebSQL try to create database and table

gistfile1.txt

var itemCount = 0; // default value for label
  try {
		var db = openDatabase('mydb', '1.0', 'my_data', 2 * 1024 * 1024);
		db.transaction(function (tx) {
			tx.executeSql('CREATE TABLE IF NOT EXISTS data (id unique, text)');
		});
	} catch( error ) {
		alert('Your browser is not supported for WebSQL - Please use Chrome or Safari');
	}
	var savedData = [];