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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:
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<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:
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20000


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javascript DateÈÕÆÚ¶ÔÏó (ת)

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var objDate=new Date([arguments list]);
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   new Date("month dd,yyyy hh:mm:ss");
   new  Date("month dd,yyyy");
   new  Date(yyyy,mth,dd,hh,mm,ss);
   new Date(yyyy,mth,dd);
   new Date(ms); ......

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1.document.write(”"); Êä³öÓï¾ä
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3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document->html->(head,body)
4.Ò»¸öä¯ÀÀÆ ......

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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();    ......

JavaScript´úÂë(1)

//ºǫ́CSµ÷ÓÃǰ̨JS·½·¨
ClientScript.RegisterStartupScript(this.GetType(), "onclick", "<script>CheckInput()</script>");
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<script type="text/javascript" language="javascript">
         function CheckInput ......
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