var message;
The above variable message does not hold any value, but if assigned, it can store any value. The value contained inside the message is ‘undefined’, since no value is given explicitly. break | case | catch | continue | with | default |
delete | do | else | finally | for | function |
if | in | instanceof | new | return | switch |
this | throw | try | typeof | var | void |
while |
abstract | boolean | byte | char | class | const |
debugger | double | enum | export | extends | final |
float | goto | int | interface | implements | import |
long | native | package | private | protected | public |
short | static | super | synchronized | throws | transient |
volatile |