[ JavaScript ] – How to print array( key value )

假設有一個 水果價目表的 key value array
[javascript]
var price_list={
appale:100,
banana:50,
pear:20
}
//那我們想用迴圈把他列出來
for (var f in price_list){
if (price_list.hasOwnProperty(f)) {
alert( ‘Fruit: ‘+ f + ‘ Price is ‘ + price_list[f]);
}
}
[/javascript]