function combine(x:Number, y:Number):Number {
return x+y;
}
//a="3";
//b="4";
//result_v=combine(a,b);
//得到结果的result_v值为34;
//var a:Number = 3;
//var b:Number = 4;
//result_v = combine(a, b);
//得到结果的result_v值为7;
//trace(typeof (input_x));//String类型;
//trace(typeof (input_y));//String类型;
btn_1.onRelease = function() {
result_v = combine(input_x, input_y);
//按我的结果应该在这里得不到任何值的,因为combine()返回值应为Number类型,但实际得到的却是两个输入文本框的字符相加;
//那么对函数combine()的返回值定义就不是不能起作用了吗?为什么?
};
btn_2.onRelease = function() {
input_x = "";
input_y = "";
result_v = "";
};