what is _ in vuejs 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>