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This article mainly introduces the relevant knowledge of "how to define global data in WeChat Mini Programs". The editor shows you the operation process through an actual case, and the operation method is simple, fast and practical. I hope this article "how to define global data in WeChat Mini Programs" can help you solve the problem.

1. How to define global data

The data or functions defined in app.js 's App ({}) are global and can be called in the page as var app = getApp (); app.function/key, but there is no need to define global functions in app.js.

two。 How to realize code reuse

Reuse of functions:

Test.jstest: function () {} module.exports= {test:test} other.jsvar common = require ('test.js'); page ({common.test ()})

Template:

Odd even / / our page can define the template in other files and introduce it in the form of, but import has the concept of scope, that is, it will only import the template defined in the object file, but not import the template//include of the object file import can introduce the entire code except the target file, which is equivalent to copying to the include location.

3. For attributes of type boolean in the component, such as the active property of the progress component, the checked property of the checkbox, and so on. This property takes effect regardless of whether it is set to true or false. The test found that this is also the case in html, but it can be rendered successfully by checked= {{}}.

This is the end of the introduction to "how to define global data in WeChat Mini Programs". Thank you for your reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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