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Implementation method of vue online chat function

How to implement the vue online chat function: create a vue project, you can use vue cli to quickly build the project, etc. If you want to know more about Vue, you can read the articles below this topic.

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time：2024-03-01 16:01:58

The role of render function in vue The render function in Vue is a function used to describe the rendering output of a component. It is usually used instead of template syntax to render components. Using the render function can achieve more flexible and dynamic component rendering logic. It receives a createElement function as a parameter for Create virtual DOM nodes.

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This of vue points to the problem The this keyword in Vue is used to access the properties and methods of the current component instance. By default, it points to the current component instance. You can access various properties and methods of the instance. Common situations where this pointer changes are: 1. When using this in the callback function , the point of this may change; 2. In Vue's life cycle hook function, this points to the current component instance; 3. In the routing component of Vue Router, this points to the routing component instance.

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In-depth study of the use of closures in the Vue framework A deeper dive into the use of closures in the Vue framework requires specific code examples. Vue is a popular JavaScript framework for building user interfaces. In the Vue framework, closure (Closure) is a powerful function feature that can help us solve the problems of scope and variable sharing. In this article, we will delve into the use of closures in the Vue framework and provide specific code examples. Closure refers to a function defined inside a function. This internal function can access the variables and parameters of the external function.

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How to implement VUE next page function Implementation steps: 1. Determine paging parameters: determine the current page number and the number displayed on each page; 2. Obtain data: use Vue's axios or other HTTP libraries to send a request to the backend, passing the current page number and the number displayed on each page as parameters; 3. Update data: In the Vue component, use the v-for instruction to render the obtained data onto the page; 4. Add a button event: add a click event on the next page button; 5. Update the page number status; 6. Rendering Buttons: Dynamically render the previous and next page buttons based on the current page number and the total number of pages.

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