@IbnuMiftaahAbdulKabi,
If you don’t want your HTML examples to dissappear you should put them in a code block, or use the backslash(\) escape code.
To put it in a code black either press the “preformatted text” button (</>) or press the backtick (`) 3 times. as the GIF shows.
Here is a guide on formatting text:
Forum Code Formatting
2 Likes