#!/usr/bin/node

const user = { 
  name: '王顶',
  age:  41,
  qq:   '408542507'
};

console.log('name: %s', user.name);
console.log('qq:', user.qq);
console.log(`qq: ${user.qq}`);
console.log('age: %d', user.age);
console.log('JSON: %j', user);

console.error('Error! something wrong!');

@@ -84,56 +84,140 @@
 cons
-ole.log('name: %25s', user.name);%0Aconsole.
+t log = console.log;%0A%0A// %E4%B8%89%E7%A7%8D%E5%8D%A0%E4%BD%8D%E7%AC%A6%0Alog('name: %25s', user.name);%0Alog('age: %25d', user.age);%0Alog('JSON: %25j', user);%0A%0A// %E8%BE%93%E5%87%BA%E6%96%B9%E5%BC%8F%E4%B8%80%EF%BC%9A%E5%8D%A0%E4%BD%8D%E7%AC%A6%E8%BE%93%E5%87%BA%0A
 log('qq:
 ', u
@@ -212,16 +212,19 @@
 log('qq:
+ %25s
 ', user.
@@ -232,101 +232,129 @@
 q);%0A
-console.
+%0A// %E8%BE%93%E5%87%BA%E6%96%B9%E5%BC%8F%E4%BA%8C%EF%BC%9A%E9%80%97%E5%8F%B7%E9%97%B4%E9%9A%94%EF%BC%8C%E5%A4%9A%E5%8F%98%E9%87%8F%E8%BE%93%E5%87%BA%0A
 log(
-%60qq: $%7B
+'qq:', 
 user.qq
-%7D%60
 );%0A
-console.log('age: %25d', user.age);%0Aconsole.log('JSON: %25j', user
+%0A// %E8%BE%93%E5%87%BA%E6%96%B9%E5%BC%8F%E4%B8%89%EF%BC%9A%E6%8B%BC%E6%8E%A5%E5%AD%97%E7%AC%A6%E4%B8%B2%E8%BE%93%E5%87%BA%0Alog('qq: ' + user.qq);%0A%0A// %E8%BE%93%E5%87%BA%E6%96%B9%E5%BC%8F%E5%9B%9B%EF%BC%9A%E6%A8%A1%E6%9D%BF%E5%AD%97%E7%AC%A6%E4%B8%B2%E8%BE%93%E5%87%BA%0Alog(%60qq: $%7Buser.qq%7D%60
 );%0A%0A

modify console demo