ReadonlybottomThe bottom read-only property of the DOMRectReadOnly interface returns the bottom coordinate value of the DOMRect. (Has the same value as y + height, or y if height is negative.)
ReadonlyheightThe height read-only property of the DOMRectReadOnly interface represents the height of the DOMRect.
ReadonlyleftThe left read-only property of the DOMRectReadOnly interface returns the left coordinate value of the DOMRect. (Has the same value as x, or x + width if width is negative.)
ReadonlyrightThe right read-only property of the DOMRectReadOnly interface returns the right coordinate value of the DOMRect. (Has the same value as x + width, or x if width is negative.)
ReadonlytopThe top read-only property of the DOMRectReadOnly interface returns the top coordinate value of the DOMRect. (Has the same value as y, or y + height if height is negative.)
ReadonlywidthThe width read-only property of the DOMRectReadOnly interface represents the width of the DOMRect.
ReadonlyxThe x read-only property of the DOMRectReadOnly interface represents the x coordinate of the DOMRect's origin.
ReadonlyyThe y read-only property of the DOMRectReadOnly interface represents the y coordinate of the DOMRect's origin.
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DOMRectReadOnlyinterface specifies the standard properties (also used by DOMRect) to define a rectangle whose properties are immutable.MDN Reference