Why j is > 10

Question

var i =10;
var j =0;
while (i > 0){
j++;
i=i/2;

};

Answer 1

Thank you ,i got it !

Answer 2

var data =41;
var o ={data : 42};
o.print =function(){
console.log(this.data);
var print2 = function(){
console.log(this.data);
}
print2() ;
};
var data =43 ;
o.print()

May you please look at the code below ,i didn't really understand the" this " notation and why the result we obtained is 42 43 ?
Thank you souch 🙏🙏🙏🙏