var loadImageFile = (function () { if (window.FileReader) { var oPreviewImg = null, oFReader = new window.FileReader(), rFilter = /^(?:image\/bmp|image\/cis\-cod|image\/gif|image\/ief|image\/jpeg|image\/jpeg|image\/jpeg|image\/pipeg|image\/png|image\/svg\+xml|image\/tiff|image\/x\-cmu\-raster|image\/x\-cmx|image\/x\-icon|image\/x\-portable\-anymap|image\/x\-portable\-bitmap|image\/x\-portable\-graymap|image\/x\-portable\-pixmap|image\/x\-rgb|image\/x\-xbitmap|image\/x\-xpixmap|image\/x\-xwindowdump)$/i; oFReader.onload = function (oFREvent) { if (!oPreviewImg) { var newPreview = document.getElementById("imagePreview"); oPreviewImg = new Image(); oPreviewImg.style.width = (newPreview.offsetWidth).toString() + "px"; oPreviewImg.style.height = (newPreview.offsetHeight).toString() + "px"; newPreview.appendChild(oPreviewImg); } oPreviewImg.src = oFREvent.target.result; }; return function () { var aFiles = document.getElementById("imageInput").files; if (aFiles.length === 0) { return; } if (!rFilter.test(aFiles[0].type)) { alert("You must select a valid image file!"); return; } oFReader.readAsDataURL(aFiles[0]); } } if (navigator.appName === "Microsoft Internet Explorer") { return function () { document.getElementById("imagePreview").filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = document.getElementById("imageInput").value; } } })();
<!-- http://stackoverflo w.com/questions/13718795/cross-browser-image-preview-in-image-upload-section-is-not-working-in-ie8 --> <div id="imagePreview"></div> <form name="uploadForm"> <p><input id="imageInput" type="file" name="myPhoto" onchange="loadImageFile();"><br> <input type="submit" value="Send"></p> </form>
#imagePreview { width: 160px; height: 120px; float: right; filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale); }