说明（2017.3.30）：
1. 最简单的继承方式，混入mix
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Document</title> 6 </head> 7 <body> 8 <script type="text/javascript"> 9 // 最简单的继承方式，混入mix 10 var o1 = {name:"xxx"}; 11 var o2 = {age:"19"}; 12 function mix(o1,o2){ 13 for(var i in o2){ 14 o1[i] = o2[i]; 15 } 16 } 17 mix(o1,o2); 18 console.log(o1); 19 </script> 20 </body> 21 </html>
