check mime type in IANA MIME - DB

gistfile1.js

/**
 * use firebug or a other browser console to exec this script
 *
 * to create a MimeList set the var(createOnlyMimeList) TRUE
 *
 * require:
 * - jquery
 * - browser console ( firebug / chrome )
 *
 * url: http://www.iana.org/assignments/media-types/index.html
 *
 * 
 */

var createOnlyMimeList = true; // default false; expected true|false
var useConsolePrint = null;  // default null;  expected null|true|false

var failed = [];
var okCount = 0;

mimeTypeTable = jQuery("html body table tbody tr td table tbody");
mimeRegexp = /^[a-z_-]+\/[a-z0-9\.+_-]+$/i;

mimeTypeMain = jQuery.trim(jQuery("tr:eq(0) td:eq(0)",mimeTypeTable).text());
mimeTypeList = jQuery("tr:not(:eq(0))",mimeTypeTable);

var sum = 0;
useConsolePrint= useConsolePrint === null ? (typeof(console) !== "undefined") : useConsolePrint;



mimeTypeList.each(function(i,dom) {
    if ( jQuery(dom).children().length === 0 ) {
        return;
    };
    sum++;
    var buffer = jQuery("td:eq(1)", dom).text().split(" ")[0];
    buffer = jQuery.trim(buffer);
    
    var mimeType= mimeTypeMain + "/" +
                 buffer;

    if ( createOnlyMimeList ) {
        failed.push(mimeType);
        return;
    }
    
    
    if ( mimeRegexp.exec(mimeType) ) {
        okCount++;
    }
    else {
        if ( useConsolePrint ) {
            failed.push( [mimeType,buffer, dom] );
        }
        failed.push(mimeType + "(" + buffer + ")");
    }
});

if ( useConsolePrint ) {
    console.log( "sum: " + sum );
    console.log( "ok:  " + okCount );
    console.log( "failed:  " , failed );
} else {
    alert(
        "sum: " + sum + "\n" +
        "ok:  " + okCount + "\n" +
        "failed: \n" +
        failed.join("\n")
    );
}