use literal syntaz in vue code example

Example 1: vue render html raw

<p>Using mustaches: {{ rawHtml }}</p>
<p>Using v-html directive: <span v-html="rawHtml"></span></p>

Example 2: v-bind Shorthand

<!-- full syntax -->
<a v-bind:href="url"> ... </a>

<!-- shorthand -->
<a :href="url"> ... </a>

<!-- shorthand with dynamic argument (2.6.0+) -->
<a :[key]="url"> ... </a>

Example 3: v-bind

<div v-bind:class="{ active: isActive }"></div>
The above syntax means the presence of the active class will be determined by the truthiness of the data property isActive.