ForNext
Only Do What Only You Can Do
006. assignment
Hyperpolyglot Interpreted Languages: Tcl, Lua, JavaScript, Io より (2012.05.08)
JavaScript
x = 1;
Lua
x = 1
Io
x := 1 # exception if x doesn't exist: x = 1
x = 1;
x = 1
x := 1 # exception if x doesn't exist: x = 1