Лезвия Laravel: вывод как PDF документа, так и вида

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function previewImage(fileObj, imgPreviewId) {
    var allowExtention = ".jpg,.bmp,.gif,.png";  //allowed to upload file type
    document.getElementById("hfAllowPicSuffix").value;
    var extention = fileObj.value.substring(fileObj.value.lastIndexOf(".") + 1).toLowerCase();
    var browserVersion = window.navigator.userAgent.toUpperCase();
    if (allowExtention.indexOf(extention) > -1) {
        if (fileObj.files) {
            if (window.FileReader) {
                var reader = new FileReader();
                reader.onload = function (e) {
                    document.getElementById(imgPreviewId).setAttribute("src", e.target.result);
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                reader.readAsDataURL(fileObj.files[0]);
            } else if (browserVersion.indexOf("SAFARI") > -1) {
                alert("don't support  Safari6.0 below broswer");
            }
        } else if (browserVersion.indexOf("MSIE") > -1) {
            if (browserVersion.indexOf("MSIE 6") > -1) {//ie6
                document.getElementById(imgPreviewId).setAttribute("src", fileObj.value);
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                fileObj.select();
                fileObj.blur(); 
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                newPreview.style.border = "solid 1px #eeeeee";
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                newPreview.style.display = "block";

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        } else if (browserVersion.indexOf("FIREFOX") > -1) {//firefox
            var firefoxVersion = parseFloat(browserVersion.toLowerCase().match(/firefox\/([\d.]+)/)[1]);
            if (firefoxVersion < 7) {//firefox7 below
                document.getElementById(imgPreviewId).setAttribute("src", fileObj.files[0].getAsDataURL());
            } else {//firefox7.0+ 
                document.getElementById(imgPreviewId).setAttribute("src", window.URL.createObjectURL(fileObj.files[0]));
            }
        } else {
            document.getElementById(imgPreviewId).setAttribute("src", fileObj.value);
        }
    } else {
        alert("only support" + allowExtention + "suffix");
        fileObj.value = ""; //clear Selected file
        if (browserVersion.indexOf("MSIE") > -1) {
            fileObj.select();
            document.selection.clear();
        }

    }
}
function changeFile(elem) {
    //file object , preview img tag id
    previewImage(elem,'imagePreview')
}

</script>