The entire component is not displayed in Vue

Just starting out with Vue.

I'm looking to create a component that encompasses the entire page except for the header and footer

Vue.component('main-block', {template: `
<section id="first-block">...</section>
<section id="second-block">...</section>
<section id="third-block">...</section>`})

After adding

<main-page></main-page>
within the #app block, only the first section is displayed. What could be causing this issue?

Answer â„–1

Referring to the official documentation: A-Single-Root-Element

It is important to note that a component cannot have multiple root elements.

Every component should consist of a single root element

This means that you need to enclose your template within a root element, such as a div element.

For example:

Vue.component('main-block', {template: `
<div>
  <section id="first-block">...</section>
  <section id="second-block">...</section>
  <section id="third-block">...</section>
</div>`})

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