Note: This feature is available in Web Workers.
The CSSPerspective() constructor creates a new CSSPerspective object representing the perspective() value of the individual transform property in CSS.
new CSSPerspective(length)lengthA value for the distance from z=0 of the CSSPerspective object to be constructed. This must be a <length>.
TypeErrorRaised if the value of CSSPerspective.length exists but is not a <length>.
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