问题 ''' <html> <head> <meta charset="UTF-8"> <!-- Load TensorFlow.js --> <script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs"></script> <!-- Load Posenet --> <script src="https://cdn.jsdelivr.net/npm/@tensorflow-models/posenet"></script> </head> <body> <img id='cat' src='cat.jpg '/> </body> <!-- Place your code in the script tag below. You can also use an external .js file --> <script> var flipHorizontal = false; var imageElement = document.getElementById('cat'); posenet.load().then