deleted Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The HTML <strike> element (or HTML Strikethrough Element) places a strikethrough (horizontal line) over text.
Usage note: This element is deprecated in HTML 4 and XHTML 1, and obsoleted in HTML5. If semantically appropriate, i.e., if it represents deleted content, use <del> instead. In all other cases use <s>.
This element includes the global attributes.
This element implements the HTMLElement interface.
Implementation note: Up to Gecko 1.9.2 inclusive, Firefox implements the HTMLSpanElement interface for this element.
<strike>Today's Special: Salmon</strike> SOLD OUT<br /> <s>Today's Special: Salmon</s> SOLD OUT
The result of this code is:
<s> element.<del> element should be used if the data has been deleted.text-decoration property can be used to style text with a strikethrough.
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https://developer.mozilla.org/en-US/docs/Web/HTML/Element/strike