why won't checkforWin(File f) return true when it is true?

}else{
   $page++;
   return loop_me();
}

if(myfunction() == true){
    alert('YAY!');
}

function myfunction(){
    var returnValue = true;

    if($("input[type=checkbox]").length > 0) {
        $('.checkbox').each(function(){
            if($(this).prop('checked')){
                returnValue = true;
                return false; // Stops the each loop.
            }
            else {
                $(this).find(".CheckboxCheck").show();
                returnValue = false;
                return false; // Stops the each loop.
            }
        });
    }

    return returnValue;
}

var returnValue = true;

...

$('.checkbox').each(function() {
    if (!$(this).prop('checked')) {
        returnValue = false;
        return false;
    }
});

if ($('.checkbox:not(:checked)').length == 0) {
   // All .checkbox elements are checked.
}

> _.every([true, 'foo', 1])
true
> _.every([true, 'foo', 1, 0])
false

(y in x) == True # evaluates to True

a OP1 b OP2 c

a OP1 b and b OP2 c

y in x == True

y in x and x == True

True and False