以下两个位置设置有什么区别?
设置1 :(易于理解)
$("#myinput").autocomplete({
source: myArray,
position: { my: "**left top**", at: "right top" }
});
设置2 :(令人困惑)
$("#myinput").autocomplete({
source: myArray,
position: { my: "**top left**", at: "right top" }
});