---
title: "Discussion on \"There's a hidden function call inside every html template you write.\" | Hashnode"
description: "Discussion on \"There's a hidden function call inside every html template you write.\". Most JS and TypeScript developers have never written a tagged template literal, yet they use them through Lit, styled components, and WebJs every day. Here's how they work, the stable identity trick that makes them fast, and why WebJs is built on one."
url: "https://hashnode.com/posts/there-s-a-hidden-function-call-inside-every-html-template-you-write/6a51c6e45822078e2b3857db"
---

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# [There's a hidden function call inside every html template you write.](https://heyvivek.com/there-s-a-hidden-function-call-inside-every-html-template-you-write?utm_source=hashnode&utm_medium=feed)

Most JS and TypeScript developers have never written a tagged template literal, yet they use them through Lit, styled components, and WebJs every day. Here's how they work, the stable identity trick that makes them fast, and why WebJs is built on one.

Jul 11 · 7 min read · heyvivek.com  
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## Written by

[Vivek](https://hashnode.com/@vivek7405)

@vivek7405 · Mountain View, CA

  
[View profile](https://hashnode.com/@vivek7405)

Musician by hobby, IT geek by profession!

Product Engineering Consultant | AI enthusiast | Worked for Salesforce, Harness, Aetna, PWC, Wolters Kluwer, Litera, BASF Chemicals, Abu Dhabi Government, & multiple startups.

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