gistfile1.js

function test1() {
     this.name = "test1";
     this.print = function() {
          console.log(this.name);
     }
}


function test2() {
     this.name = "test2";
}


var t1 = new test1();
var t2 = new test2();


var t2_print = t1.print.bind(t2);
t2_print();