WEB-
10. HTML-. <FORM>. : <METHOD>, <ACTION>, <INPUT> <SELECT>. .
11. . <INPUT>. . . . <SELECT>.
12. , . (VBScript, JavaScript ). , . .
13. . (VBScript, JavaScript ).
14. Microsoft Internet Explorer. , Window.
HTML-
, HTML- , .
. , , .
- .
[ ]=[ ]
. , .
<FORM> </FORM> .
HTML- , . . HTML-, , .
<form> , -, .
<FORM>
action - , .
<form action="URL">...</form>
autocomplete - . , , . autocomplete.
<form autocomplete="on | off">...</form>
On - .
Off - . (, ).
method - . method . GET POST. get.
GET. . = ( &). GET , , , , , .
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POST. POST . , GET, 4 . , , , .
<form method="get | post">...</form>
name - . , . , . JavaScript , , name.
<form name="">...</form>
novalidate - . . , .
<form novalidate>...</form>
target - , . , -.
, name. , . .
_blank - .
_self - .
_parent - -, , _self.
_top - , , _self.
<form target=" ">...</form>
<INPUT>. .
<input> . <input> , , . <input> <form>, , , , <form> . , , JavaScript.
<input>, type. : (text), (password), (radio), (checkbox), (hidden), (button), (submit), (reset), (file) (image). , .
accesskey - . . , accesskey="s" .
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Internet Explorer: Alt + S
Chrome: Alt + S
Opera: Shift + Esc, S
Safari: Alt + S
Firefox: Shift + Alt + S
<input accesskey="c">
align - , .
Bottom - .
Left - .
Middle - .
Right - .
Top -
<input type="image" align="bottom | left | middle | right | top">
alt - .
<input type="image" alt="">
autocomplete - .
<input type="text" autocomplete="on | off">
border - .
<input type="image" border=" ">
checked - .
<input type="radio" checked>
<input type="checkbox" checked>
disabled - .
<input type="..." disabled>
formtarget - , .
_blank - .
_self - .
_parent - -, , _self.
_top - , , _self.
<input type="submit" formtarget="< > | _blank | _self | _parent | _top">
list - , .
<input list="<>">
<option value="1">
<option value="2">
</datalist>
max - .
<input type="number" max=" ">
maxlength - .
<input type="text" maxlength="">
min - .
<input type="number" min=" ">
name - , , .
<input type="..." name="">
pattern - .
<input type="email" pattern="">
Placeholder - .
<input placeholder="">
Readonly - , .
<input type="text" readonly>
Required - .
<input required>
Size - .
<input type="text" size="">
Src - .
<input type="image" src="URL">
Step - .
<input type="number" step="">
Tabindex - Tab.
<input tabindex="">
Type - , .
<input type="button|checkbox|file|hidden|image|password|radio|reset|submit|text">
Value - . value :
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(input type="button | reset | submit") ;
(input type="password | text") . , Reset value;
(input type="checkbox | radio") , , , .
(input type="file") .
<input type="..." value="">
<textarea> - , . , .
, , , .
:
<textarea >
</textarea>
<textarea> </textarea> , . , .
:
Cols - .
<textarea cols="">
Disabled - .
<textarea disabled></textarea>
Maxlength - , .
<textarea maxlength="">
</textarea>
Name - , , .
<textarea name="">
</textarea>
Readonly - , .
<textarea readonly></textarea>
Rows - .
<textarea rows=""></textarea>
Wrap - .
Soft - , , , . Enter , .
Hard - , , . cols.
Off - . . , , .
<textarea wrap="soft | hard">
</textarea>
<menu> . <ol> <ul> <menu> <li>.
HTML4 <menu> , <ul>. HTML5 <menu> , . <command> .
<menu>
<li> </li>
<li> </li>
</menu>
label - .
type - .
<SELECT>
<select> , , . size <select>, . , <option>, . <option>, <select>. , <select> . , .
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<select>
<option> 1</option>
<option> 2</option>
</select>
autofocus - , .
disabled - .
multiple - .
name - .
required - .
size - .
tabindex - .
<script> , . HTML-. - , .. , .
<script> HTML- . . , , .
<script type="">
...
</script>
<script type="" src="URL"></script>
defer - , .
language - .
src - .
type - <script>.
JavaScript
JavaScript : Boolean (), Number (), String (), Null (), Undefined (), Object (). , , .
Boolean ()
: true () false ().
Number ()
JavaScript : . , 0 ; , e ( ), , . IEEE 754 . , , :
NaN,
Positive Infinity ( )
Negative Infinity ( )
Positive 0 ( 0)
Negative 0 ( 0)
( ), :
0″, 0 7. 0″, 8″ / 9″, . , , e ( E) .
(hex) 0x (X ), 0 9 A F ( , ). e , .
, . , 0″ , ; , 0x 00″, , , , .
.003, 0.003, 3e-3, 3.0e-3 // , .
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4.45e3 // , 4450.
103 // .
0377 // , 255.
00.0006 // , 0.
04108 // , 4108 ( 0 8, .
0Xff // , 255.
0x37CF // , 14287.
0x3e7 // , 999.
0x7.45e2 // , 7.
String ()
. . Unicode (. . 16 - ), . , . ; .
var str = 'It\'s a String'; // str
Null ()
null. , .
Undefined ()
undefined. , .