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This article entitled "how WeChat Mini Programs overwrites the corresponding content of the original key", the sample code in the article is very detailed and has a certain reference value. Interested friends must refer to "how WeChat Mini Programs overwrites the corresponding content of the original key". 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.

Storing the data in the key specified in the local cache will overwrite the corresponding content of the original key, which is a synchronization interface.

Parameter description:

The parameter type is required to indicate that keyString is the specified keydataObject/String in the local cache and the content to be stored

Sample code

What does try {wx.setStorageSync ('key',' value')} catch (e) {} Mini Program mean? Mini Program is an application that can be used without download and 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 scanning, 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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