Why HTML Entity Encoding is Essential for Web Security
When building modern web applications, security should be a top priority. A common vulnerability is Cross-Site Scripting (XSS), where attackers inject malicious scripts into pages viewed by other users. HTML encoding prevents this by converting characters like `<` and `>` into safe text representations.
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Understanding Special Entity Formats
HTML entities are formatted as a leading ampersand (`&`) and ending semicolon (`;`). They can be represented in two ways:
- Named Entities: Easy-to-remember text abbreviations like `<` (less than), `>` (greater than), and `"` (double quote).
- Numerical Entities: ASCII/Unicode mappings like `<` or hexadecimal formats like `<`, which are useful for encoding non-Latin text.