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- How to cross-domain iframe in vue
- Ways to solve iframe cross-domain issues in Vue: CORS: Enable CORS support in the backend server and use XMLHttpRequest or fetch API to send CORS requests in Vue. JSONP: Dynamically load JSONP scripts in Vue using the JSONP endpoint in the backend server. Proxy server: Set up a proxy server to forward requests, use a third-party library (such as axios) in Vue to send requests and set the proxy server URL.
- Vue.js 1298 2024-05-02 22:48:37
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- What can event modifiers do in vue
- Event modifiers in Vue modify its behavior by appending modifiers after the event handler name. Common modifiers include: .stop: prevents the event from bubbling. prevent: prevents the event from default behavior. capture: handles the event in the capture phase. self: Only fires when the event target is the element itself.once: Fires only when the event fires for the first time.passive: Improves scroll and touch event performance
- Vue.js 500 2024-05-02 22:48:17
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- What are the event modifiers in vue
- Vue event modifiers: 1. stop: prevent events from bubbling. 2. prevent: Prevent the default event behavior. 3. capture: Capture events in the capture phase. 4. self: Triggered only when the event occurs on the element itself. 5. once: The event is triggered only once, and then the listener is removed. 6. Passive: Does not prevent page scrolling or UI interaction. 7. lazy: Delay the creation of the listener until the element is added to the DOM. 8. debounce: trigger an event only once within a specified time (for example, @click.debounce.500). 9. throttle: trigger an event only once within a specified time interval (for example, @c
- Vue.js 1231 2024-05-02 22:46:02
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- How to get the content of an element in vue
- The methods for obtaining element content in Vue are: textContent: Gets all text content, including line breaks and text nodes. innerText: Get the visual text content, excluding line breaks and text nodes. innerHTML: Get all content, including HTML code and text.
- Vue.js 1094 2024-05-02 22:45:43
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- What does splice mean in vue?
- In Vue.js, the splice method is used to manipulate arrays in a mutable manner. It removes elements from the array and optionally replaces or inserts new elements: Deleting elements: start specifies the starting position of deletion, and deleteCount specifies the number of deletions. Delete multiple elements: When deleteCount is greater than 1, delete the specified number of elements starting from start. Insert elements: Insert new elements at start and specify 0 at deleteCount. Replace element: When deleteCount is 1, replace the existing element at start with the new element.
- Vue.js 753 2024-05-02 22:45:24
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- The role of setup function in vue
- The setup function is used in Vue.js to separate the component's logic from the rendering process. The separated component logic is easier to reuse, organize, and test. It also supports the Composition API, providing a more flexible and modular way to organize component logic.
- Vue.js 971 2024-05-02 22:42:56
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- What does vm mean in vue
- vm in Vue represents the Vue instance object, which manages the virtual DOM (Virtual DOM), a lightweight representation used to track the actual DOM. Vue instances use vm variables to operate, including accessing data (vm.$data), updating data (vm.$set() and vm.$delete()), accessing methods (vm.$methods) and binding events (vm .$on() and vm.$off()). Understanding what vm means is crucial to working effectively in a Vue application.
- Vue.js 936 2024-05-02 22:42:37
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- What does ref mean in vue
- The ref directive in Vue is used to obtain a reference to an element or component. It can access DOM elements or component instances to operate or control them. Usage: Use the ref directive, such as <div ref="myElement"></div>; access the reference through this.$refs, such as this.$refs.myElement returns the DOM element, and this.$refs.myComponent returns the component instance. Scenarios include: direct access to DOM elements, interacting with subcomponents, form input binding, and creating custom directives.
- Vue.js 581 2024-05-02 22:42:18
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- The difference between ref and data in vue
- In Vue.js, ref is used to reference DOM elements or component instances, while data is used to manage component state. ref is only valid in the component template, read-only and cannot be modified; data is valid in the entire component and can be modified. Best practice is to use data to manage component state and refs to access the DOM or interactive components.
- Vue.js 900 2024-05-02 22:39:53
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- The difference between ref and props in vue
- The difference between ref and props in Vue: ref is a method that points to a component instance and can be used to dynamically operate the component; props is a property used to receive data from the parent component.
- Vue.js 534 2024-05-02 22:39:36
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- How to reference other components in vue
- In Vue, ways to reference other components include using <component> tags, slots, scoped slots, events, and refs.
- Vue.js 676 2024-05-02 22:39:19
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- What tags are used to define dynamic components in vue
- Use the <component> tag in Vue.js to dynamically render components. Specify the component name through the :is attribute, which can be a string, object, or function.
- Vue.js 988 2024-05-02 22:36:53
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- What is dom in vue
- The DOM is a hierarchical data model for HTML and XML documents that allows JavaScript to manipulate web page content. In Vue, the DOM is represented by a virtual DOM (VDOM), a lightweight data structure that tracks DOM differences and updates only the changed parts, improving performance. Vue provides a variety of DOM manipulation APIs, including el, ref, $el, $refs, v-bind, and v-on, for accessing, manipulating, and binding DOM elements.
- Vue.js 333 2024-05-02 22:36:34
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- Where does this in vue point to?
- The point of this in Vue depends on the context, usually pointing to the component instance (within the component), Vue instance (non-component context). Specific situations include: html templates, component methods, non-component functions, event handling functions, watch options, etc.
- Vue.js 867 2024-05-02 22:36:17
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- Can the table in vue still change after receiving data?
- Yes, the data received by Table in Vue can change. 1. Initialize the data source; 2. Bind the data source to the Table; 3. Update the data source; 4. Make sure the data source is a responsive object; 5. Use the this.$set() method to update the data source; 6. If the data If the source is an array, use the Array.push() or Array.splice() method.
- Vue.js 965 2024-05-02 22:33:54
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