& lt按" />
& lt輸入?type="text "?name="a "?id="a "?value="1 "?size="5"/>
& lt按鈕?type="button "?style = " width:30px;高度:22px”?onclick= "賈(1)" & gt;+& lt;/button & gt;
日期:
& lt腳本& gt
功能?$(v){return?document . getelementbyid(v);}
功能?賈(x){
var?y = parse int($(“a”)。值);
如果?(x = = 0){ y = y-1;} else { y = y+1;}
$(“a”)。值= y;
}
var?d?=?新的?date();
var?str?=?d . get full year()+"-"+(d . getmonth()+1)+"-"+d . getdate();
$(“ri”)。value = str
& lt/script & gt;