Example: mime type json javascript
{
"aac": "audio/aac",
"abw": "application/x-abiword",
"ai": "application/postscript",
"arc": "application/octet-stream",
"avi": "video/x-msvideo",
"azw": "application/vnd.amazon.ebook",
"bin": "application/octet-stream",
"bz": "application/x-bzip",
"bz2": "application/x-bzip2",
"csh": "application/x-csh",
"css": "text/css",
"csv": "text/csv",
"doc": "application/msword",
"dll": "application/octet-stream",
"eot": "application/vnd.ms-fontobject",
"epub": "application/epub+zip",
"gif": "image/gif",
"htm": "text/html",
"html": "text/html",
"ico": "image/x-icon",
"ics": "text/calendar",
"jar": "application/java-archive",
"jpeg": "image/jpeg",
"jpg": "image/jpeg",
"js": "application/javascript",
"json": "application/json",
"mid": "audio/midi",
"midi": "audio/midi",
"mp2": "audio/mpeg",
"mp3": "audio/mpeg",
"mp4": "video/mp4",
"mpa": "video/mpeg",
"mpe": "video/mpeg",
"mpeg": "video/mpeg",
"mpkg": "application/vnd.apple.installer+xml",
"odp": "application/vnd.oasis.opendocument.presentation",
"ods": "application/vnd.oasis.opendocument.spreadsheet",
"odt": "application/vnd.oasis.opendocument.text",
"oga": "audio/ogg",
"ogv": "video/ogg",
"ogx": "application/ogg",
"otf": "font/otf",
"png": "image/png",
"pdf": "application/pdf",
"ppt": "application/vnd.ms-powerpoint",
"rar": "application/x-rar-compressed",
"rtf": "application/rtf",
"sh": "application/x-sh",
"svg": "image/svg+xml",
"swf": "application/x-shockwave-flash",
"tar": "application/x-tar",
"tif": "image/tiff",
"tiff": "image/tiff",
"ts": "application/typescript",
"ttf": "font/ttf",
"txt": "text/plain",
"vsd": "application/vnd.visio",
"wav": "audio/x-wav",
"weba": "audio/webm",
"webm": "video/webm",
"webp": "image/webp",
"woff": "font/woff",
"woff2": "font/woff2",
"xhtml": "application/xhtml+xml",
"xls": "application/vnd.ms-excel",
"xlsx": "application/vnd.ms-excel",
"xlsx_OLD": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"xml": "application/xml",
"xul": "application/vnd.mozilla.xul+xml",
"zip": "application/zip",
"3gp": "video/3gpp",
"3gp_DOES_NOT_CONTAIN_VIDEO": "audio/3gpp",
"3gp2": "video/3gpp2",
"3gp2_DOES_NOT_CONTAIN_VIDEO": "audio/3gpp2",
"7z": "application/x-7z-compressed"
}