In Vue, v-for loops are something that every project will use at some point or another. They allow you to write for loops in your template code.
Learn better from videos? Check out my Youtube video on this same topic.
This is awesome for things like…
- Rendering arrays or lists
- Iterating through an object’s properties
In its most basic usage, Vue v-for loops are used like this.
<ul>
<li v-for='product in products'> {{ product.name }} </li>
</ul>
However, in this article, we’ll be covering some amazing ways to make your v-for code more precise, predictable, and efficient.
Alright — let’s dive right in.
1. Always use keys in Vue v-for loops
To start, we’ll be discussing a common best practice most Vue developers already know — use :key in your v-for loops. By setting a unique key attribute, it ensures that your component works the way you’d expect.