# wx.setTabBarBadge(Object object)

Start from base library version 1.9.0. Please remaining backward compatible.

with Promise style call: Supported

Need page permissions: Mini Programs cannot call this interface from a plugin page, and plugins cannot call the interface from the plugins page

Mini Program plugin: Not supported

for tabBar Add text to the top right corner of an item

# parameter

# Object object

attribute	type	Required	Introductions
index	number	yes	tabBar Which one of those? From the left.
text	string	yes	Text displayed, exceeding 4 Characters are displayed as ...
success	function	no	Interface calls the successful callback function
fail	function	no	Interface calls failed callback functions
complete	function	no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

# sample code

wx.setTabBarBadge({
  index: 0,
  text: '1'
})