issue an apiKey and practice call comment in our program

+AIzaSyCjBrFKnBlGvxsfOD-qJP8nBkdEoqKRHu8
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+{"web":{"client_id":"197854895056-dk8etrtt0otte8ebrra2c9lvt2k0mff4.apps.googleusercontent.com","project_id":"youtubecommentseperator","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","javascript_origins":["http://localhost:3031"]}}
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+{
+  "dependencies": {
+    "googleapis": "^100.0.0",
+    "youtube-v3-api": "^1.1.1"
+  }
+}

+//https://www.npmjs.com/package/youtube-v3-api
+//http://khuhub.khu.ac.kr/2019102147/youtube-comment-seperator.git
+
+const apiKey = 'AIzaSyCjBrFKnBlGvxsfOD-qJP8nBkdEoqKRHu8';
+const {google} = require("googleapis");
+const service = google.youtube('v3');
+
+service.commentThreads.list({
+    "key":apiKey,
+    "part":[
+        "snippet, replies"
+    ],
+    "videoId":"m1gHR4dJhKU"//비디오 주소
+}).then(function(response) {
+    console.log("Response", response);
+    console.log(response.data.items[0].snippet.topLevelComment.snippet.textDisplay)
+    console.log(response.data.items[1].snippet.topLevelComment.snippet.textDisplay)
+  },
+  function(err) { console.error("Execute error", err); });
+
+
+/*
+service.comments.list({
+    "key": apiKey,
+    "part": [
+        "snippet"
+      ],
+      "parentId": "UgzDE2tasfmrYLyNkGt4AaABAg"
+}).then(function(response) {
+    // Handle the results here (response.result has the parsed body).
+    console.log("Response", response);
+    console.log(response.data.items)
+  },
+  function(err) { console.error("Execute error", err); });
+
+const {YoutubeDataAPI} = require("youtube-v3-api");
+const {google} = require("googleapis");
+
+const api = new YoutubeDataAPI(apiKey);
+
+api.searchComments("https://youtu.be/m1gHR4dJhKU").then((data)=>{
+    console.log(data);
+    console.log(data.pageInfo);
+},(err)=>{
+    console.error(err);
+})
+*/
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