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JS implementation of dynamic date selection form

Source: Internet
Author: User
Tags date1 getdate
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JS implementation of dynamic Date selection form, using the method:

Showdateselect ("Date1")

Where the parameter is the name of the table item select, and then you can use Date1.value to get the selected date.

<title> Dynamic Date Selection form </title>
<meta http-equiv= "Content-type" content= "text/html" charset= "gb2312" >
<script language= "JavaScript" >
<!--
function yearlist (num) {
var d=new Date ();
var t=d.getfullyear ();
var ystr= "";
for (Var i=t-num;i<=t+num;i++) {
ystr=ystr+ "<option value= '" +i+ (i==t "' selected>": "' >") +i+ "</option>";
}
return ystr;
}
function Monthlist () {
var d=new Date ();
var t=d.getmonth () +1;
Mstr= "";
for (Var i=1;i<=12;i++) {
mstr=mstr+ "<option value= '" +i+ (i==t "' selected>": "' >") +i+ "</option>";
}
Return MSTR;
}
function Datelist (fName) {
var d=new Date ();
var t=document.all[fname+ "_dd"].value== "" d.getdate ():d ocument.all[fname+ "_dd"].value;
D=new Date (document.all[fname+ "_yy"].value+ "/" +document.all[fname+ "_mm"].value+ "/1");
Dstr= "";
for (Var i=1;i<=31;i++) {
D.setdate (i);
if (D.getdate ()!=i) {break;}
dstr=dstr+ "<option value= '" +i+ (i==t "' selected>": "' >") +i+ "</option>";
}
Document.all[fname+ "_dx"].innerhtml= "<select name= '" +fname+ "_dd ' onchange= ' javascript:setdatevalue ' (/" "+fName+ "/");' > "+dstr+" </select>;
}
function Setdatevalue (name) {
var dvalue=document.all[name+ "_yy"].value+ "-" +document.all[name+ "_mm"].value+ "-" +document.all[name+ "_dd"].value " ;
Document.all[name].value=dvalue;
}
function Showdateselect (name) {
document.write ("<select name= '" +name+ "_yy ' onchange= ' javascript:datelist '" +name+ "/"); Setdatevalue (/"" +name+ "/");' > "+yearlist (+) +" </select> ");
document.write ("<select name= '" +name+ "_mm ' onchange= ' javascript:datelist '" +name+ "/"); Setdatevalue (/"" +name+ "/");' > "+monthlist () +" </select> ");
document.write ("<span id= '" +name+ "_dx ' ><select name= '" +name+ "_dd ' >" + "</select></span>");
Datelist (name);
document.write ("<input type= ' hidden ' name= '" +name+ "' value= '" > ");
Setdatevalue (name);
}
-->
</script>

<body>
<center> <table align= "center" Width= "cellspacing=" "1" cellpadding= "5" Border
<form method=post action= "onsubmit=" alert (' Date1: ' + This.date1.value+ '/ndate2: ' +this.date2.value+ '/ndate3: ' +this.date3.value '; return false;
 
<tr>
 <td> date 1: <script language= "JavaScript" >showdateselect ("Date1") ; </script></td>
</tr>
<tr>
 <td> date 2: <script language= "JavaScript ">showdateselect (" Date2 "); </script></td>
</tr>
<tr>
 <td> Date 3: <script language= "JavaScript" >showdateselect ("Date3"); </script></td>
</tr>
<tr
 <td><center><input type= "Submit" value= "submit" ></CENTER></TD>
</tr>
</form>
</table>
</body>

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Related Keywords:
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