1. JavaScript . JavaScript , , *.js, HTML , , *.htm *.html
2. HTML JavaScript (Macromedia Dreamweaver, HomeSite, FrontPage, AceHTML, Web Development Studio)
3. Internet Explorer, Mazilla Firefox, Opera.
4. .
5. .
JavaScript - HTML-. JavaScript Java. Java SUN. JavaScript Netscape Communication Corporation. LiveScript. Java LiveScript JavaScript.
JavaScript . JavaScript HTML- . JavaScript HTML- , .
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<SCRIPT>
JavaScript HTML- <SCRIPT>... </SCRIPT>.
<HTML><HEAD><meta http-equiv=Content-Type content="text/html; charset=windows-1251"></HEAD><BODY><H1>?</H1> <SCRIPT TYPE="text/javascript"> <!-- document.write('!'); //--> </SCRIPT></BODY></HTML>
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document write. !. ;, JavaScript.
document HTML-, a. write HTML- !. , .
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, JavaScript . JavaScript , .. HTML- background-color, JavaScript - backgroundColor.
<img src="test.gif" border=0OnMouseOver="this.style.backgroundColor='red';" OnMouseOut="this.style.backgroundColor='white';">
JavaScript
JavaScript.
JavaScript var. . , - .
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JavaScript IF-ELSE :
Var Vol = 0;
Var b = false;
if(Vol<2)
{
b=true;
}
else if(Vol>100)
{
b=true;}
?
.
{}? { ""}: { ""}
"", , "" .
= (f == 2)? b: + 2;
f 2, b, + 2.
. .
- switch
- switch . , , if - eise, .
switch ({})
{ case { 1}:{ 1}[break;]
[case { 2}:{ 2}[break;]
... case [default:
{, }] }
, switch. , case, . , " 1", 1 . case, , default.
, .
switch (a)
{ case 1: out = "";break;
case 2: out = "";break;
case 3: out = "";break;
default: out = " "; }
FOR
Var n = 20;
for(var i=0; i<n; i++)
{
Text += ' ';
}
WHILE
Var i=0;
Var n=20;
while(i<n)
{ text += ;
i++;
}
: break ( ) continue ( ).
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[ ] | (dim[i]) |
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JavaScript
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JavaScript : Array, Boolean, Date, Global, Function, Math, Number, String.