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This article will introduce in detail "how to dynamically set the text content of the top column in the development of Mini Program". The content steps are clear and detailed, and the details are handled properly, and the editor updates different knowledge points every day. I hope that this article "how to dynamically set the text content of the top column in the development of Mini Program" will give you unexpected gains, please follow the editor's ideas slowly and deeply, the details are as follows Let's go and gain new knowledge.

The dynamic setting of the text content in 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 replaced 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 does wx.setTopBarText ({text: 'hello, worldview'}) mean by Mini Program? Mini Program is an application that can be used without download or installation. It can be used immediately by scanning a QR code or searching it. It is easy to operate and easy to spread. It can achieve seven major functions, such as message notification, offline code scan, and official account association. It is based on Wechat, similar to APP. You can use it whenever you want. After using it, you will leave without taking up memory.

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