tagName"b", "cite", "code", "dfn", "em", "i", "kbd", "samp", "s", "strong", "tt", "u", or "var".
| Availability | 3.0 |
| Description | Applies the specified type of character markup to the selection. If the selection is an insertion point, applies the specified character markup to any subsequently-typed text. |
| Arguments | tagName |
The argument is the tag name associated with the character markup. It must be one of the following strings: "b", "cite", "code", "dfn", "em", "i", "kbd", "samp", "s", "strong", "tt", "u", or "var". |
|
| Returns | Nothing. |
| Enabler | None. |
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