Node.js colors包

// Loading this module modifies String for the entire process 
require("colors"); 

console.log("hello".green); // outputs green text 
console.log("world!".red); // outputs red text 
console.log("Feeling yellow".yellow); // outputs yellow text 
console.log("But you look blue".blue); // outputs yellow text 
console.log("This should cheer you up!".rainbow); // rainbow