# string Canvas.toDataURL(string type, number encoderOptions)

Start from base library version 2.11.0. Please remaining backward compatible.

with Promise style call: Not supported

Mini Program plugin: Support

Object that contains a picture presentation data URI . Can be used type Parameter whose type defaults to PNG Format.

# parameter

# string type

Image format by default image/png

# number encoderOptions

In the specified image format image/jpeg or image/In the case of webp, the 0 reach 1 Selects the quality of the picture within the range of. If the range is exceeded, the default value will be used 0.92。 Other parameters are ignored.

# Return value

# string