# MediaQueryObserver.observe(Object descriptor, function callback)

with Promise style call: Not supported

Mini Program plugin: Support

Start listening to page media query Changes

# parameter

# Object descriptor

media query Descriptor

attribute type Default values Required Introductions
minWidth number yes Minimum page width px In units)
maxWidth number yes Maximum Page Width ( px In units)
width number yes Page width px In units)
minHeight number yes Minimum page height px In units)
maxHeight number yes Maximum Page Height ( px In units)
height number yes Page height ( px In units)
orientation string yes Screen direction ( landscape or portrait

# function callback

to monitor media query State change callback function

# parameter

# Object res
attribute type Introductions
matches boolean Does the current state of the page satisfy the specified media query