CanvasGradient Class

CanvasGradient Class
Methods	Description
addColorStop(t, c)	The parameter t is a value between 0 and 1, where 0 represents the starting color and 1 represents the ending color. The parameter c is a CSS color value that specifies the color at the position t in the gradient. An IndexSizeError exception may be thrown if the value of t is less than 0 or greate than 1. A SyntaxError exception may be thrown if c can not be parsed as a CSS color value.