JavaScript prototype ÊôÐÔ
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The prototype property allows you to add properties and methods to an
object.
prototypeÊôÐÔÔÊÐíÄãÏòÒ»¸ö¶ÔÏóÌí¼ÓÊôÐԺͷ½·¨
Syntax
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object.prototype.name=value
Example 1
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In this example we will show how to use the prototype property to add a
property to an object:
ÔÚÏÂÃæµÄÀý×ÓÖУ¬ÎÒÃǽ«ÑÝʾÈçºÎÓÃprototypeÊôÐÔÀ´ÏòÒ»¸ö¶ÔÏóÔö¼ÓÒ»¸öÊôÐÔ£º
<script type="text/javascript">
function employee(name,jobtitle,born)
{
this.name=name
this.jobtitle=jobtitle
this.born=born
}
var fred=new employee("Fred Flintstone","Caveman",1970)
employee.prototype.salary=null
fred.salary=20000
document.write(fred.salary)
</script>
The output of the code above will be:
Êä³ö½á¹ûΪ£º
20000
Ïà¹ØÎĵµ£º
ÖØµãÔÚÓÚfunction scroll()£¬function clipShow()¼°ÒÔÏÂforÑ»·¡£
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//CSSÑùʽ
<style>
.new_newsT{
padding-top: 10px;
padding-bottom: 8px;
}
.new_newsT .list {
CLEAR: both; MARGIN: 0px 6px 0px 10px
}
......
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4.Ò»¸öä¯ÀÀÆ ......
var myDate = new Date();
myDate.getYear(); //»ñÈ¡µ±Ç°Äê·Ý(2λ)
myDate.getFullYear(); //»ñÈ¡ÍêÕûµÄÄê·Ý(4λ,1970-????)
myDate.getMonth(); //»ñÈ¡µ±Ç°Ô·Ý(0-11,0´ú±í1ÔÂ)
myDate.getDate();   ......
//ºǫ́CSµ÷ÓÃǰ̨JS·½·¨
ClientScript.RegisterStartupScript(this.GetType(), "onclick", "<script>CheckInput()</script>");
//УÑéÊäÈë¿òÊÇ·ñΪ¿Õ£¬Ð£ÑéÊÇ·ñÊÇÊý×Ö
<script type="text/javascript" language="javascript">
function CheckInput ......
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oNewWindow = window.open( [sURL] [, sName] [, sFeatures] )
sURL ¿ÉÑ¡. URL ×Ö·û´® . Èç¹ûURLΪ¿Õ, ½«ÒÔabout:blank´ò¿ª.
sName ¿ÉÑ¡. ×Ö·û´® ÃèÊö´ò¿ª´°¿ÚµÄÃû×Ö(name). ¿ÉÒÔ×öΪform ºÍ a ±êÇ©µÄTARGETÊôÐÔÖµ .
sFeatures ¿ÉÑ¡. ×Ö·û´® ¸ñʽÈç"fullscreen=yes,toolbar=yes".channelmode = { yes | no | ......