Raw HTML with v-html in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the v-html directive do in Vue?

The v-html directive tells Vue to insert raw HTML content inside an element instead of plain text. It renders the HTML tags as actual HTML.

intermediate

Why should you be careful when using v-html?

Using v-html can expose your app to security risks like Cross-Site Scripting (XSS) if you insert untrusted HTML. Always sanitize or trust the source of the HTML.

beginner

How do you bind raw HTML content to a div using v-html?

You write: <br><div v-html="rawHtmlContent"></div><br>where rawHtmlContent is a data property holding the HTML string.

intermediate

Can you use v-html to bind Vue components or directives inside the raw HTML?

No. v-html only renders plain HTML. Vue components or directives inside the raw HTML string will not work or be compiled.

beginner

What is a safer alternative to v-html if you want to display user input?

Instead of v-html, use text interpolation like {{ userInput }} which escapes HTML tags and shows them as text, preventing XSS.

What does v-html do in Vue?

A Runs JavaScript code

B Binds plain text only

C Renders raw HTML inside an element

D Creates a new Vue component

v-html inserts raw HTML content inside an element, rendering the HTML tags.

Which risk is associated with using v-html with untrusted content?

A Cross-Site Scripting (XSS)

B Memory leak

C Slow rendering

D CSS conflicts

Untrusted HTML can contain malicious scripts causing XSS attacks.

Can Vue components inside a string bound with v-html be rendered?

A Only if registered globally

B No, Vue does not compile inside <code>v-html</code>

C Yes, always

D Only in Vue 3

Vue does not compile or process components inside raw HTML inserted by v-html.

How do you safely display user input that might contain HTML tags?

A Use text interpolation like <code>{{ userInput }}</code>

B Use <code>v-text</code> with raw HTML

C Use <code>v-html</code> directly

D Use <code>v-bind:html</code>

Text interpolation escapes HTML tags, showing them as text and preventing XSS.

Which Vue directive is used to insert raw HTML?

A <code>v-text</code>

B <code>v-show</code>

C <code>v-bind</code>

D <code>v-html</code>

v-html inserts raw HTML content inside an element.

Explain how to use v-html in Vue and what precautions you should take.

Think about how raw HTML is inserted and security concerns.

Describe the difference between using v-html and text interpolation for displaying content in Vue.

Consider how HTML tags are treated in each case.