SeonHyungJo · June 7, 2019 05:04
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html lang="en">

 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
 </head>

 <body>
    <input type="text" id="name" placeholder="Name"><br />
    <input type="email" id="email" placeholder="Email"><br />
    <button id="addButton">Add Data</button>

 </body>
 <script>
    let idbSupported = false
    if ("indexedDB" in window) {
        idbSupported = true;
    }

    if (idbSupported) {
        // indexedDB 열기
        var openRequest = indexedDB.open("test", 3);

        openRequest.onupgradeneeded = function (e) {
            console.log("running onupgradeneeded");
            var thisDB = e.target.result;

            // firstOS이라는 저장소가 없으면
            if (!thisDB.objectStoreNames.contains("firstOS")) {
                // 저장소를 만들어줌
                thisDB.createObjectStore("firstOS", { autoIncrement:true });
            }

            if (!thisDB.objectStoreNames.contains("secondOS")) {
                thisDB.createObjectStore("secondOS");
            }
        }


        openRequest.onsuccess = function (e) {
            console.log("Success!");
            // 나중에 데이터를 추가하는데 사용되는 db
            db = e.target.result;
            console.log(e.target)
            // 이벤트 등록
            document.querySelector("#addButton").addEventListener("click", addPerson, false);
        }
        openRequest.onerror = function (e) {
            console.log("Error");
            console.dir(e);
        }
    }

    function addPerson(e) {
        var name = document.querySelector("#name").value;
        var email = document.querySelector("#email").value;
        console.log("About to add " + name + "/" + email);

        //people 테이블에 데이터 add 선언..
        var transaction = db.transaction(["firstOS"], "readwrite");
        var store = transaction.objectStore("firstOS");

        //Define a person
        var person = {
            name: name,
            email: email,
            created: new Date()
        }

        //Perform the add
        // (data, key)a
        var request = store.add(person);

        request.onerror = function (e) {
            console.warn("Error", e.target.error.name);
            //some type of error handler
        }

        request.onsuccess = function (e) {
            console.log("Woot! Did it");
        }
    }
 </script>

 </html>
	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Document</title>
	</head>

	<body>
	<input type="text" id="name" placeholder="Name"><br />
	<input type="email" id="email" placeholder="Email"><br />
	<button id="addButton">Add Data</button>

	</body>
	<script>
	let idbSupported = false
	if ("indexedDB" in window) {
	idbSupported = true;
	}

	if (idbSupported) {
	// indexedDB 열기
	var openRequest = indexedDB.open("test", 3);

	openRequest.onupgradeneeded = function (e) {
	console.log("running onupgradeneeded");
	var thisDB = e.target.result;

	// firstOS이라는 저장소가 없으면
	if (!thisDB.objectStoreNames.contains("firstOS")) {
	// 저장소를 만들어줌
	thisDB.createObjectStore("firstOS", { autoIncrement:true });
	}

	if (!thisDB.objectStoreNames.contains("secondOS")) {
	thisDB.createObjectStore("secondOS");
	}
	}


	openRequest.onsuccess = function (e) {
	console.log("Success!");
	// 나중에 데이터를 추가하는데 사용되는 db
	db = e.target.result;
	console.log(e.target)
	// 이벤트 등록
	document.querySelector("#addButton").addEventListener("click", addPerson, false);
	}
	openRequest.onerror = function (e) {
	console.log("Error");
	console.dir(e);
	}
	}

	function addPerson(e) {
	var name = document.querySelector("#name").value;
	var email = document.querySelector("#email").value;
	console.log("About to add " + name + "/" + email);

	//people 테이블에 데이터 add 선언..
	var transaction = db.transaction(["firstOS"], "readwrite");
	var store = transaction.objectStore("firstOS");

	//Define a person
	var person = {
	name: name,
	email: email,
	created: new Date()
	}

	//Perform the add
	// (data, key)a
	var request = store.add(person);

	request.onerror = function (e) {
	console.warn("Error", e.target.error.name);
	//some type of error handler
	}

	request.onsuccess = function (e) {
	console.log("Woot! Did it");
	}
	}
	</script>

	</html>