35 lines
978 B
JavaScript
35 lines
978 B
JavaScript
const images = document.getElementsByClassName('current_webcam_image');
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const reload_interval = setInterval(reloadImages, 60000);
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window.onload = function() {
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reloadImages();
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};
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function checkImageSource(image_url) {
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var http_request = new XMLHttpRequest();
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http_request.open('HEAD', image_url, false);
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http_request.send();
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return http_request.status;
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}
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function reloadImages() {
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console.log('reload in progress');
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Array.prototype.forEach.call(images, function(image) {
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if (checkImageSource(image.src) == 200) {
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if (!image.src.includes('?')) {
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image.src = `${image.src}?${Date.now()}`;
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} else {
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image.src = image.src.slice(0, image.src.indexOf('?') + 1) + Date.now();
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}
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} else {
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console.log('unable to find image on server');
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image.alt = "Webcam nicht erreichbar."
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}
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});
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console.log('reload finished');
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} |