, , , .
: <B> </B>
<I> </I>
+
<U>...</U>
: <H1 align=center><B> web- </B> </H1>
10. html5 contenteditable. .
<p contenteditable> - ?</>
: true false.
true, .. contenteditable, , true. , , contenteditable, false.
<p contenteditable="false"> </>
11. mark . mark , .
:
<P>    <mark>40 </mark> . <P>    , < mark> </mark>, . <R> , , (, ). , <mark> XIX </mark>. . , , , , .
12. details. , , . details , . . details summary. , details .
:
<details>
<summary>
</summary>
, , (, ). , <mark> XIX </mark>. . , , , , .
|
|
</details>
, , , . summary, . , , , . . , , . details, .
details open, .
1.2