The instruction used for looping in vue is

The instruction in Vue for looping through data arrays or objects is v-for, and the syntax is <template v-for="(item, index) in items"></template>. The parameters include: the traversed item item, the optional index index, and the data items to be traversed.

Instructions for looping in Vue

Use the v-for instruction in Vue Loop through a data array or object.

Syntax:

<template v-for="(item, index) in items"></template>

Parameters:

• item: Current loop item
• index: The index of the current loop item (optional)
• items: The data array or object to be traversed

Usage:

1. Traverse the array:

<ul>
  <li v-for="item in items">{{ item }}</li>
</ul>

2. Traverse the object:

<ul>
  <li v-for="(value, key) in object">{{ key }}: {{ value }}</li>
</ul>

3. Loop index:

<ul>
  <li v-for="(item, index) in items">{{ index + 1 }}. {{ item }}</li>
</ul>

The above is the detailed content of The instruction used for looping in vue is. For more information, please follow other related articles on the PHP Chinese website!