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JavascriptÍøÒ³¼ÆËãÆ÷

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>ÍøÒ³¼ÆËãÆ÷</title>
<style type="text/css">
#container
{
width: 432px;
margin: 0 auto;
text-align: center;
height: 324px;
}
div
{
text-align: left;
width: 400px;
}
input
{
height: 37px;
width: 93px;
margin-bottom: 10px;
background: #CA0;
font-size: 30px;
}
input#answer
{
height: 37px;
width: 381px;
color: #FFF;
font-size: 35px;
text-align: right;
background: #38B;
......

¡¶JavaScriptºËÐļ¼Êõ¡·

JavaScriptÖеÄÔ­ÐÍ(prototyping)   prototypeÊôÐÔ
   
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        (StringÌí¼Ótrim()·½·¨)
        ****************
        String.prototype.trim = function(){
            return(this.replace(/^[\s\xA00+]+/,"").replace(/[\s\xA0]+$/));
        }
        var strTemp = new String(" a ");
        strTemp = strTemp.trim();
        ****************
        (Ö±½ÓÔÚ¶ÔÏóʵÀýÉÏÌí¼Ótrim()·½·¨)
        *********************
        var strTemp = " a ";
        strTemp.trim = function(){ ......

OracleÁ½±í(¶à±í)¹ØÁªupdateµÄд·¨

update customers a
   set    city_name=(select b.city_name from tmp_cust_city b where b.customer_id=a.customer_id)
   where  exists (select 1
                  from   tmp_cust_city b
                  where  b.customer_id=a.customer_id
                 )
   -- update ³¬¹ý2¸öÖµ
   update customers a 
   set    (city_name,customer_type)=(select b.city_name,b.customer_type
                                     from   tmp_cust_city b
 & ......
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