Understanding the need for HTML encoding is essential when writing HTML code. HTML encoding replaces special characters, such as < and >, with HTML entities that are recognized by web browsers. A common use case for HTML encoding is when you want to display reserved characters as text within a HTML element. By encoding these characters, you can ensure the text appears correctly and renders correctly within the web browser.
For example, let's say you wanted to display the < symbol within a div element. To do this you would need to encode, or escape, the < symbol and replace it with an HTML entity such as <. This would be interpreted by the web browser as the literal '<' character and would appear correctly on your web page for visitors.
In short, HTML encoding is used to display reserved special characters as text in a HTML element and it is an important step to take if you want your web page content to appear exactly as expected.
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