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and you render it raw, their script will run on your users' browsers. The Solution 🛠️ Memorizing entity codes is impossible. Writing regex to replace them is error-prone. I added an HTML Entity Encoder/Decoder to the PaPiv Suite to handle this instantly. Encode: Turn r","image":"https://media2.dev.to/dynamic/image/width=1000,height=500,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F6c4v7loxhdjn7yawswcf.png","datePublished":"2026-02-25T15:34:00","author":{"@type":"Person","name":"Ilyass / Tool Developer"},"publisher":{"@type":"Organization","name":"Dev.to Webdev"},"mainEntityOfPage":{"@type":"WebPage","@id":"https://flarestart.com/article/stop-breaking-your-ui-the-right-way-to-escape-html-characters-20260225"}}
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Stop Breaking Your UI: The Right Way to Escape HTML Characters 🛑
NewsWeb Development

Stop Breaking Your UI: The Right Way to Escape HTML Characters 🛑

via Dev.to WebdevIlyass / Tool Developer1mo ago

If you have ever tried to display code snippets on a website, or render user-generated content in a React/Vue app, you've likely faced this nightmare: You type <div> intending to show the tag, but the browser interprets it as an actual element and breaks your layout. The Problem: Reserved Characters Browsers reserve characters like < , > , & , and " for parsing HTML structure. If you want to display them as text, you must convert them into their corresponding HTML Entities . < becomes &lt; > becomes &gt; & becomes &amp; Why is this critical? (Security Alert 🚨) Beyond just breaking your UI, failing to escape characters is the #1 cause of Cross-Site Scripting (XSS) attacks. If a user inputs <script>alert('hacked')</script> and you render it raw, their script will run on your users' browsers. The Solution 🛠️ Memorizing entity codes is impossible. Writing regex to replace them is error-prone. I added an HTML Entity Encoder/Decoder to the PaPiv Suite to handle this instantly. Encode: Turn r

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