dob validation
1 Answer(s)      6 years ago
Posted in : JavaScript Questions


i am entering date, month and year in corresponding three drop down list. how to validate the date.....?


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February 25, 2011 at 12:12 PM

<p>// validate that the user made a selection other than default 
function isChosen(select) 
{ <br />
if (select.selectedIndex == 0) 
{ <br />
 alert("Please make a choice from the list.");    
 return false; <br />
{ <br />
return true; <br />
} }   </p>

<p>function daysInFebruary (year){ 
// February has 29 days in any year evenly divisible by four, 
// EXCEPT for centurial years which are not also divisible by 400. 
return (((year % 4 == 0) &amp;&amp; ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 ); } </p>

<p>function DaysArray(n) { 
for (var i = 1; i &lt;= n; i++) { 
this[i] = 31 
if (i==4 || i==6 || i==9 || i==11) {this[i] = 30} 
if (i==2) {this[i] = 29} 
} <br />
return this 
}  </p>

<p>function focusElement(formName, elemName) { <br />
var elem = document.forms[formName].elements[elemName];     elem.focus(); <br />
}  </p>

<p>function valid(dob1,dob2,dob3)
var daysInMonth = DaysArray(12) 
var date=dob1.value 
var month=dob2.value 
var year=dob3.value 
if((month==2 &amp;&amp; date>daysInFebruary(year)) || date>daysInMonth[month])
alert("Please enter a valid day") 
return false 
} return true 
}  </p>

<p>function validateForm(form) { 
if (isChosen(form.dob1)) { <br />
if (isChosen(form.dob2)) { <br />
if (isChosen(form.dob3)) { <br />
if(valid(form.dob1,form.dob2,form.dob3)){ document.frm.action="&lt;%=contextPath%>/Conformation"; 
//"conformation" is for servelet mapping 
} } } } <br />
return false; 
</script>  </p>

<script language="javascript"> 
function gotoAddResourceAction() 

<p></head> <br />
<form name="frm"  method="post"> </p>

<table width="100%" id='table1'  border="0" cellspacing="2" cellpadding="2"> 
<tr><td width="40%" class="txt-label">      
<SPAN CLASS="txt-label">Date Of Birth (DOB)</SPAN>
<font color='red'> *</font>:      
<td width="60%" class="txt-lable">      
<Select name="dob1">
<option value=""selected>Date</option>      
<option value="1" >1</option>
<option value="2" >2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option></select>      
<Select name="dob2">
<option value="" selected>Month</option>      
<option value="1" >January</option>
<option value="2" >February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option></select>      
<Select name="dob3">
<option value="" selected>Year</option>      
<option value="1950" >1950</option>
<option value="1951" >1951</option>
<option value="1952">1952</option>
<option value="1953">1953</option>
<option value="1954">1954</option>
<option value="1955">1955</option>
<option value="1956">1956</option>
<option value="1957">1957</option>
<option value="1958">1958</option>
<option value="1959">1959</option>
<option value="1960">1960</option>
<option value="1961">1961</option>
<option value="1962">1962</option>
<option value="1963">1963</option>
<option value="1964">1964</option>
<option value="1965">1965</option>
<option value="1966">1966</option>
<option value="1967">1967</option>
<option value="1968">1968</option>
<option value="1969">1969</option>
<option value="1970">1970</option>
<option value="1971">1971</option>
<option value="1972">1972</option>
<option value="1973">1973</option>
<option value="1974">1974</option>
<option value="1975">1975</option>
<option value="1976">1976</option>
<option value="1977">1977</option>
<option value="1978">1978</option>
<option value="1979">1979</option>
<option value="1980">1980</option>
<option value="1981">1981</option>
<option value="1982">1982</option>
<option value="1983">1983</option>
<option value="1984">1984</option>
<option value="1985">1985</option>
<option value="1986">1986</option>      
<option value="1987">1987</option>
<option value="1988">1988</option>
<option value="1989">1989</option>
<option value="1990">1990</option>
<option value="1991">1991</option>
<option value="1992">1992</option>
<option value="1993">1993</option>
<option value="1994">1994</option>
<option value="1995">1995</option>
<option value="1996">1996</option>
<option value="1997">1997</option>
<option value="1998">1998</option>
<option value="1999">1999</option>
<option value="2011">2011</option></select>      
<table width="100%" border="0" align="center">      <tr><td>      
<input type="button" name="SubmitForm" value="Submit" class="button" onMouseOver=(this.className='buttonover') onMouseOut=(this.className='button') onClick="gotoAddResourceAction()">      

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