矩形区域对象
Rect accepts numeric pixel values to describe how far to extend a rectangular area. These values are added to the original area's size to expand it.
示例
js
{
bottom:20,
left:null,
right:undefined,
top:50
}
属性与值
bottom
| Type | Required |
|---|---|
number, null, undefined | No |
left
| Type | Required |
|---|---|
number, null, undefined | No |
right
| Type | Required |
|---|---|
number, null, undefined | No |
top
| Type | Required |
|---|---|
number, null, undefined | No |