JSで3分でできる「 顔認識 」Shape Detection API（ネット接続も不要） - Qiita<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Face Detection API sample</title> </head> <body> <img src="***顔写真のある画像を指定***" id="image"> <canvas id="canvas"></canvas> <script> const image = document.getElementById('image'); const canvas = document.getElementById('canvas'); const ctx = canvas.getContext('2d'); let scale = 1; image.onload = function() { canvas.width = image.wi
