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refresh DOM element with vanilla JS
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>CAM1 - Peristera's Shipwreck - Alonissos Greece</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <style type="text/css"> | |
| html, body { | |
| background-color: #111; | |
| text-align: center; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript" src="jsmpeg.min.js"></script> | |
| <script type="text/javascript"> | |
| document.body.onload = refreshStream; | |
| function addVideoCanvas () { | |
| // get the parent body element | |
| const parentBody = document.getElementsByTagName("body")[0]; | |
| // create new video canvas element | |
| const newCanvas = document.createElement("canvas"); | |
| newCanvas.setAttribute("id", "video-canvas"); | |
| // add the canvas element to body | |
| parentBody.appendChild(newCanvas); | |
| // get video-canvas element for jsmplayer | |
| var canvas = document.getElementById("video-canvas"); | |
| var url = 'ws://'+document.location.hostname+':9081/'; | |
| var player = new JSMpeg.Player(url, {canvas: canvas}); | |
| } | |
| function destroyVideoCanvas () { | |
| // get the video canvas element | |
| var videoCanvas = document.getElementById("canvas"); | |
| videoCanvas.parentNode.removeChild(videoCanvas); | |
| } | |
| function refreshStream() { | |
| // using addVideoCanvas and destroyVideoCanvas to silently refresh video player | |
| addVideoCanvas(); | |
| setInterval(() => { | |
| destroyVideoCanvas(); | |
| addVideoCanvas(); | |
| }, 60000); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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