Blog · 2026-03-04

HTML entities: escaping text safely in templates

Know the difference between displaying user input and injecting HTML — entity encoding is one layer, not the whole story.

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Context matters

Attribute contexts, script blocks, and URLs each need different escaping rules. Framework defaults help, but custom `dangerouslySetInnerHTML` bypasses them.

Test with metacharacters

`<`, `&`, quotes, and astral Unicode symbols reveal double-encoding bugs faster than happy-path Latin samples.

Try these tools next

HTML Entities — Encode and decode HTML entities.
Markdown Preview — Preview Markdown as HTML in the browser.
JSON-LD FAQ Builder — Client-side json-ld faq builder — runs locally in your browser for speed and privacy.

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