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In this article "how to set the text content of the top column in the development of WeChat Mini Programs", the sample code in the article is introduced in great detail and has a certain reference value. Interested friends must refer to it. As for "how to set the text content of the top column in the development of WeChat Mini Programs", the editor has sorted out the following knowledge points. Please follow the pace of the editor to understand step by step. Next, let's get to the subject.

Wx.setTopBarText (OBJECT)

The text content of the dynamic setting on the top column will take effect only when the current Mini Program is set to the top. If the current Mini Program is not set on the top, the call will be successful, but it will not take effect immediately. The text content will not be changed until the user sets the Mini Program to the top. Note: after the call is successful, it takes an interval of 5 seconds to call this API again. If this API is called again within 5 seconds, fail,errMsg: "setTopBarText: fail invoke too frequently" will be called back.

OBJECT parameter description:

Parameter type is required to indicate that textString is set to the top column text content successFunction No API call successful callback function failFunction No API call failed callback function completeFunction No API call ends callback function (both successful and failed calls will be executed)

Sample code:

What is the advantage of wx.setTopBarText ({text: 'hello, worldview'}) Mini Program? compared with developers, Mini Program is less difficult to develop, can save development and operating costs, and allows developers to quickly develop a Mini Program. And Mini Program can be easily obtained and spread in Wechat, which can meet the basic life applications, in line with life services offline stores and non-rigid needs of low-frequency applications. For users, it can save time cost and mobile phone memory space, and have excellent use experience at the same time.

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