Array
. length, , .
:
concat ([item1: { Object | Array } [,... [, itemN: { Object | Array }]]]]): Array , ;
join (separator: String): String , , ;
pop (): Object ;
push ([item1: Object [,... [, itemN: Object]]]): Number ; , ;
shift (): Object ;
sort (sortFunction: Function): Array ;
unshift ([item1: Object [,... [, itemN: Object]]]): Array .
Date
Date .
Date . Date , , 1 1970 . , , .
Date :
function Date([dateVal: { Number | String } ]) , 1 1970 ; , "month dd, yyyy hh:mm:ss";
function Date(year: int, month: int, date: int[, hours: int [, minutes: int [, seconds: int [, ms: int]]]]) , , .
Date , .
Date. set . get, Date.
setDate (numDate: Number) , , , numDate . , 10 2008 setDate() 33, 2 2008 . setDate() , ;
setFullYear (numYear: Number [, numMonth Number [, numDate Number]]) , ;
setHours (numHours: Number [, numMin: Number [, numSec: Number [, numMilli: Number ]]]) , , ;
|
|
|
setMilliseconds (numMilli: Number) ;
setMinutes (numMinutes: Number [, numSeconds: Number [, numMilli: Number]]) , ;
setMonth (numMonth: Number [, dateVal: Number]) , ;
setSeconds (numSeconds: Number [, numMilli: Number]) , ;
setTime (milliseconds: Number) , 1 1970 .
parse, . MSDN Library.
<!-- # 3: . Date -->
<html> <head>
<title>Clock</title>
<script type="text/JavaScript">
function clockform()
{d=new Date();
time=d.getHours()+":"+d.getMinutes()+":"+d.getSeconds();
document.formcl.fclock.value=time;
setTimeout("clockform()",100); }
</script>
</head>
<body onLoad="clockform()">
<center>
<form name=formcl metod="get">
<input name=fclock maxlength=8 size=8>
</form> </center>
</body></html>
Math
Math , .
Math, -
.
:
alert(Math.pow(10,3));
// 1000
<!-- # 4: -->
<html>
<head>
<title> </title>
</head>
<body>
<script type="text/javascript">
function sq(r) {
document.write(" r= ", r,
" .","<BR>")
return Math.PI*r * r;
}
var r=2;
document.write(" ",sq(r),".")
</script>
</body> </html>
window document
JavaScript , (window, navigator, location ..) , HTML- (document, forms, frames ..);
, .
window JavaScript. self window . , window.close() self.close(). top , parent , frameset. , window.open() window.close() open() close(), close()
window.open() .
<!-- # 5: -->
<html> <head>
<title> </title>
<script type="text/JavaScript">
|
|
|
function makeicon()
{
window.open("pr1.htm","icon", //
"resizable=yes,scrollbars=yes,width=50,height=70");
window.close(); //
}
</script>
</head><body>
<h1>minimize page</h1>
<form name=formicon>
<input name=ibutton type=button value=mini onClick="makeicon()">
</form>
</body></html>
open() web-. :
[windowVar=][window].open("URL", "winName", "windowFeatures"])
windowVar ; URL URL, ; winName ; windowFeatures :
toolbar [=yes | no] , "Back" "Forward";
location [=yes | no] Location;
directories status [=yes | no] ;
menubar [=yes | no] ;
scrollbars [=yes | no] , , ;
resizable [=yes | no] ;
width =pixels, height =pixels .
. !
window: document, frame, location.
: alert(), confirm(), prompt(), open(), close(), setTimeout(), ClearTimeout(). : onLoad, onUnload.
opener, , blur focus . opener , . . , , : window.opener.[method]. , -, close(): window.opener.close()
-. , - : window.opener.document.bgColor ='cyan'
-:
window.opener= new_window
Document
Document , . all, .
<!-- # 6: -->
<html> <head>
<title> </title>
<script type="text/javascript">
function findtags()
{var tag;
var tags=" ";
for(i=0;i<document.all.length;i++)
{tag=document.all(i).tagName;
tags=tags+"\r"+tag;}
alert(tags);
return tags;}
</script>
</head>
<body onload="findtags()">
<h2 onMouseover="findtags()">
</h2>
</body> </html>
<!-- # 7: - bgColor Document -->
<html> <head>
<title>bgcolor</title>
</head>
<body text=000000 bgcolor=ffffff>
<table border=0 align=center>
<tr><td><form>
<input type=button value=""
onClick= "document.bgColor ='ff0000'" >
<input type=button value=""
onClick="document.bgColor ='ffff00'">
<input type=button value=""
onClick="document.bgColor= '0000ff'">
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|
|
<input type=button value=""
onClick="document.bgColor= '87ceeb'">
</form></td>
</table>
</body> </html>
