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Using first to Style the First Row of the List

Sam Xiao's Avatar 2022-01-24

We can use first modifier to style the first row of the List.

Version

TailwindCSS 3.0

first

first000

The background color of the first row of the list is gray.

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="https://unpkg.com/petite-vue" defer init></script>
  <script src="https://cdn.tailwindcss.com"></script>
  <title>TailwindCSS</title>
</head>
<body>
  <ul v-scope="{ colors: ['Red', 'Green', 'Blue']}">
    <li v-for="x in colors" class="first:bg-gray-300">{{ x }}</li>
  </ul>
</body>

Line 11

<ul v-scope="{ colors: ['Red', 'Green', 'Blue']}">
  <li v-for="x in colors" class="first:bg-gray-300">{{ x }}</li>
 </ul>
  • first : apply utility on the first child element of <ul>

Conclusion

  • first doesn’t work on Alpine. Since we have to use <template> with x-for, the first child element of <ul> is <template>, not <li>
  • To make Alpine work, we have to use first-of-type instead of first
  • We can also use first-of-type modifier on Petite-vue. The result is the same

Reference

TailwindCSS, first