1 line of code: How to convert html special chars

const htmlSpecialChars = str => str.replace(/[&"'<>]/g, (i) => ({ "&": "&amp;", '"': "&quot;", "'": "&#039;", "<": "&lt;", ">": "&gt;" }[i]));

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Returns a new string where all HTML special characters are converted to HTML entities.

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Certain characters have special significance in HTML, and should be represented by HTML entities if they are to preserve their meanings.
Based on PHP: htmlspecialchars

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The repository & npm package

You can find the all the utility functions from this series at github.com/martinkr/onelinecode
The library is also published to npm as @onelinecode for your convenience.

The code and the npm package will be updated every time I publish a new article.

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Photo by zoo_monkey on Unsplash

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