The role of script tags in vue
In Vue.js, the
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The Vue.js map function is a built-in higher-order function that creates a new array where each element is the transformed result of each element in the original array. The syntax is map(callbackFn), where callbackFn receives each element in the array as the first argument, optionally the index as the second argument, and returns a value. The map function does not change the original array.

In Vue, the change event can be disabled in the following five ways: use the .disabled modifier to set the disabled element attribute using the v-on directive and preventDefault using the methods attribute and disableChange using the v-bind directive and :disabled

The Java framework and Vue front-end adaptation implement communication through the middle layer (such as SpringBoot), and convert the back-end API into a JSON format that Vue can recognize. Adaptation methods include: using the Axios library to send requests to the backend and using the VueResource plug-in to send simplified API requests.

Vue's async modifier is used to create asynchronous components or methods to achieve dynamic loading of components and execution of asynchronous operations to avoid blocking the main thread.

The render function in Vue.js is responsible for converting component data into virtual DOM, which can improve performance, enable templating, and support cross-platform. Specific functions include: 1. Generating virtual DOM; 2. Improving performance; 3. Implementing templates; 4. Supporting cross-platform.

The v-show directive is used to dynamically hide or show elements in Vue.js. Its usage is as follows: The syntax of the v-show directive: v-show="booleanExpression", booleanExpression is a Boolean expression that determines whether the element is displayed. The difference with v-if: v-show only hides/shows elements through the CSS display property, which optimizes performance; while v-if conditionally renders elements and recreates them after destruction.

Nuxt is an opinionated Vue framework that makes it easier to build high-performance full-stack applications. It handles most of the complex configuration involved in routing, handling asynchronous data, middleware, and others. An opinionated director

main.js is the entry file of the Vue.js application, used to boot and configure the application. Its main functions include: creating a Vue root instance, mounting the application configuration, routing, introducing components, storing data and status, installing plug-ins, defining life cycle hooks
