sublime text run code in console code example

Example 1: what is console in sublime text

{
    "cmd" : ["gcc", "$file", "-o", "$file_base_name"],
    "cmd" : ["$file_base_name"],
    "selector" : "source.c",
    "shell" : true,
    "working_dir" : "$file_path"
}

Example 2: how do i run code in sublime text

for javascipt, command B doesn't seem to work for me.
It does work for python programmers though. To code, 
I use Processing.