Questions on Javascript hoisting

Question

While I was reading about Javascript hoisting, I tried the following. I am not sure why the first one and second one output differently. Thanks in advance. (I am not even su

Answer 1

Variable declarations get hoisted to the top of every function, but the value assignments stay where they are. So the second example is run like this:

var me = 1;
function findme () {
    var me;  // (typeof me === 'undefined') evaluates to true
    if (me) { // evaluates to false, doesn't get executed
        me = 100;
        console.log(me); 
    }
    console.log(me); 
}
findme();