Delete is a formatting element used to delete some text from document.
<del>Content</del>
Or
<tag><del>Content</del></tag>
You can apply delete element to any element and use any where within a HTML document.
Delete is a pair tag and output of delete element is horizontal line through text like you can see in above example.
Open notepad or any other text editor, follow the following points.
I am Paragraphto paragraph
I amfrom paragraph
save file with name task.html or task.htm and then open it using any browser and see results.
Don't forget del is non empty element which means it always comes in pair.