stringbuilder.js

stringbuilder.js

function aaa(){
    var str='';

    return {
        aaaa: function(l){
            str+=l;
            //console.log(str);
            return this;
        },
        bbbb: function(){
            console.log(str);
        }
    }
}

var t1 = new aaa();
t1.aaaa('hello');
t1.aaaa('world');
t1.aaaa('nice').aaaa('meet').aaaa('you');

t1.bbbb();

var t2 = new aaa();
t2.aaaa('hello1');
t2.aaaa('world1');
t2.aaaa('nice1').aaaa('meet1').aaaa('you1');

t2.bbbb();

gbchoiui-MacBook-Pro:aws gbchoi$ node mytest.js
helloworldnicemeetyou
hello1world1nice1meet1you1