<!DOCTYPE html> <html> <head> <title>js调用摄像头</title> <meta charset="utf-8"/> </head> <body> <video id="video" width="600" height="600"></video> <script> let video = document.getElementById("video"); let promise = navigator.mediaDevices.getUserMedia({ video: true, audio: false }); promise.then(function (MediaStream) { video.srcObject = MediaStream; video.play(); }); </script> </body> </html>
原文：https://www.cnblogs.com/linding/p/14634961.html