Why use href= "javascript:void (0);"?

The final semicolon of a statement in JavaScript can be the default, so why use javascript:; instead javascript: ?

is the custom or the norm, I puzzled!

The coder with code cleanliness, nothing more than write a semicolon, Holy Spirit of the World Cup stained, how can endure it? This is not a lot of statements, do not write semicolons may appear unexpected situation!

Like my lazy hand cramp, write a character will be difficult to roll over the floor of the people, really don't want to come over AH want to come!

Perhaps because I am a small white, the world of God I do not understand.

I have been using it for href="javascript:" many years, and I have been using it nervously, because everyone else is, is it href="javascript:void(0);" because href="javascript:" of the potential problems? For example, impact performance?

Ask for advice, spit groove!

Why use href= "javascript:void (0);"?