vuejs
  1. vuejs-list-rendering
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VueJs List Rendering

VueJs List Rendering is a powerful tool that allows developers to dynamically display lists of data. With the v-for directive, VueJs can iterate over an array or object, creating a new element for each item in the list. This is a great way to generate dynamic content and display complex data in an organized manner.

Syntax

<ul>
  <li v-for="item in items" :key="item.id">
    {{ item.name }}
  </li>
</ul>

Example

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>

  <div id="app">
    <ul>
      <li v-for="item in items" :key="item.id">
        {{ item.name }}
      </li>
    </ul>
  </div>

  <script>
    new Vue({
      el: '#app',
      data: {
        items: [
          { id: 1, name: 'Apple' },
          { id: 2, name: 'Banana' },
          { id: 3, name: 'Orange' }
        ]
      }
    })
  </script>

</body>
</html>

Output

The output of the above example will be a list:

  • Apple
  • Banana
  • Orange

Explanation

In the above example, we have created a new Vue instance, which has an array called items as its data source. Within the ul element, we have added a li element that uses the v-for directive to iterate over every item in the items array, and bind the name property of that item to the element using double curly braces.

We have also added a key attribute to the li element to help VueJs identify each item uniquely and improve performance when rendering lists of data.

Use

VueJs List Rendering is a powerful tool that can be used to dynamically generate lists of data, as well as to create complex and interactive user interfaces. With its simple syntax and powerful capabilities, VueJs is a popular choice for building single-page applications and dynamic web experiences.

Some common use cases for VueJs List Rendering include:

  • Displaying lists of products in an e-commerce site
  • Creating complex forms with repeatable sections
  • Generating dynamic navigation menus
  • Organizing large volumes of data in a structured and easy-to-read format

Important Points

  • The v-for directive can be used with arrays, objects, and ranges to create dynamic content.
  • Adding a unique key attribute to each iterated element is important for performance and helps VueJs identify each item uniquely.
  • VueJs provides several other useful directives for generating lists, such as v-if and v-show.
  • It's important to keep performance in mind when working with large data sets, and to optimize your code for efficiency.

Summary

VueJs List Rendering is a powerful tool for generating dynamic content and displaying complex data in an organized manner. With simple syntax and powerful capabilities, VueJs is a popular choice for building modern and interactive web applications. By understanding how to use the v-for directive and other list-related directives, developers can build powerful and innovative applications with ease.

Conditional RenderingEvent Handling
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