Hey there! Let's figure out why your Mustache syntax isn't rendering even when v-text works perfectly. Since your console has no errors and the Vue instance looks totally normal, here are the most common fixes to check out:

1. 你大概率用了Vue的运行时版本（Runtime-only Build） #

This is the #1 culprit here! Vue comes in two main builds:

• 完整版: Includes both the runtime and the template compiler (which parses Mustache syntax directly in your HTML)
• 运行时版本: Only includes the runtime, and can't compile template strings like {{ }} directly in the browser

v-text is a directive that the runtime can handle natively, but Mustache syntax needs the compiler to turn it into renderable content. If you're using the runtime-only build, that's exactly why you'd see this behavior.

Fix it like this: #

• If you're using a CDN link, swap it for the full version:

  <!-- Vue 2 full build with compiler -->
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <!-- Or Vue 3 full build -->
  <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
  

• If you're using Vue CLI or Vite, adjust your config to enable the compiler (though pre-compiling templates is generally recommended for better performance).

2. Double-check your Mustache is inside the mounted element #

Make sure your {{ }} syntax is wrapped inside the element your Vue instance is mounted to. For example, if your instance is attached to #app:

new Vue({
  el: '#app',
  data: { greeting: 'Hello Vue!' }
})

Your Mustache needs to live inside that root element:

<!-- Works: Inside the mounted element -->
<div id="app">
  {{ greeting }}
</div>

<!-- Won't work: Outside the mounted element -->
{{ greeting }}

Since v-text is working, this is less likely, but it's quick to verify.

3. Watch for accidental syntax mistakes #

Sometimes tiny typos can break things without throwing errors:

• Don't wrap Mustache in quotes (like "{{ greeting }}" — this treats it as plain text)
• Double-check that your variable name matches exactly what's in your data (Vue is case-sensitive!)

4. Vue 3 Composition API edge case #

If you're using Vue 3 with the Composition API, make sure you're setting up your template correctly (e.g., using <script setup> properly or passing the template option to your instance). But again, since v-text works, this is a long shot.

Start with checking the Vue build version first — that's almost certainly the fix you need here!

内容的提问来源于stack exchange，提问作者ryanwaite28