请教一个简单的js问题

Question

  <SCRIPT LANGUAGE="JavaScript">
  <!--
function test(){
var people={'mail':'男';'femail':'女'};
var temp = 'femail';
//  希望下面的语句实现 alert(people.femail) 的效果,该怎么改?
alert(people.temp);
}
test();
  //-->
  </SCRIPT>

Answer 1

  <SCRIPT LANGUAGE="JavaScript">
  <!--
    function test(){
        var people={'mail':'男';'femail':'女'};
        var temp = 'femail';
        //  希望下面的语句实现 alert(people.femail) 的效果,该怎么改?
        alert(people[temp]);
    }
    test();
  //-->
  </SCRIPT>

Answer 2

var people={'mail':'男';'femail':'女'};
->
var people={'mail':'男','femail':'女'};alert(people.temp);
->
alert(people[temp]);

Answer 3

function test(){
        var people={'mail':'男', 'femail':'女'};
        var temp = 'femail';
        //  希望下面的语句实现 alert(people.femail) 的效果,该怎么改?
        alert(people[temp]);
    }
    test();

Answer 4

  <SCRIPT LANGUAGE="JavaScript">
  <!--
    function test(){
        var people={'mail':'男';'femail':'女'};
        var temp = 'femail';
        //  希望下面的语句实现 alert(people.femail) 的效果,该怎么改?
        alert(people[temp]);
    }
    test();
  //-->
  </SCRIPT>