Proper way to do it is to use .emit method provided by on dropzone js to add a file and thumbnail to preload images from the server. See sample code below. Taken from https://github.com/enyo/dropzone/wiki/FAQ#how-to-show-files-already-stored-on-server // Create the mock file: var mockFile = { name: “Filename”, size: 12345 }; // Call the default addedfile event handler … Read more
You almost have it… You just have to give the image time to load before drawing it. You give an image time to load with this code: var logoImg = new Image(); logoImg.onload = function() { // At this point, the image is fully loaded // So do your thing! }; logoImg.src = “https://stackoverflow.com/questions/15048279/myPic.png”; Here … Read more
In it’s most basic form it sets the link that has rel=”preload” to a high priority, Unlike prefetching, which the browser can decide whether it’s a good idea or not, preload will force the browser to do so. ===A more in-depth look:=== Here’s a snippet from W3c Many applications require fine-grained control over when resources … Read more
Add poster=”placeholder.png” to the video tag. <video width=”470″ height=”255″ poster=”placeholder.png” controls> <source src=”https://stackoverflow.com/questions/20075875/video.mp4″ type=”video/mp4″> <source src=”video.ogg” type=”video/ogg”> <source src=”video.webm” type=”video/webm”> <object data=”https://stackoverflow.com/questions/20075875/video.mp4″ width=”470″ height=”255″> <embed src=”video.swf” width=”470″ height=”255″> </object> </video> Does that work?