// 🔸 app.setBorder(range, style)
app.setBorder = function(
range, // 範圍 (Range)
style // 邊線樣式 (BorderStyle)
){
// set border
range.setBorder(
style.edge.top,
style.edge.left,
style.edge.bottom,
style.edge.right,
style.internalBorder.vertical,
style.internalBorder.horizontal,
style.color,
style.style
);
return app; // for chaining
};