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problem with setdate call in JS

Posted on 2012-03-20
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Medium Priority
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Last Modified: 2012-04-07
Hi,

Please see my code below.

It is not setting the dates correctly. When I debug with firebug I can see the correct values are split into the array.

<html>
<head><title>Id and Name Attributes</title>

<script type="text/javascript">

function dateInsert() {
      
var now = new Date();
var fullyear = now.getFullYear();
var str = document.getElementById("month").value.split(" ");
var bd = new Date();
var day = bd.setDate(parseInt(str[0]));
var month = bd.setMonth(parseInt(str[1]));
var diff = now.getDate() - day;
var days = Math.floor(diff/(1000*60*60*24));
document.getElementById("days").value=days;

}

</script>


</head>


<body>

<form name="form1"">
Please enter the day and month here: <br />
<input type="text" id="month" />
<br />
Result will be printed here: <br />
<input type="text" id="days" />
<br />
<input type="button" onClick="dateInsert();" value="Return Date"/>
</form>


</body>
</html>
0
Comment
Question by:jecommera
  • 2
3 Comments
 
LVL 7

Expert Comment

by:Lalit Chandra
ID: 37745127
what do you want your code do??
As i understand you want to show the days difference in the text box.For this you can replace your code
       
var diff = now.getDate() - day;
to
     
var diff = now - bd


Remember, in javascript Month starts from  0(jan) to 11 (feb).
0
 

Author Comment

by:jecommera
ID: 37745152
I updated the code as follows:

<html>
<head><title>Id and Name Attributes</title>

<script type="text/javascript">

function dateInsert() {
     
var now = new Date();
var fullyear = now.getFullYear();
var str = document.getElementById("month").value.split(" ");
var bd = new Date();
var day = bd.setDate(parseInt(str[0]));
var month = bd.setMonth(parseInt(str[1]));
var diff = bd-now;
var days = Math.floor(diff/(1000*60*60*24));
document.getElementById("days").value=days;

}

</script>


</head>


<body>

<form name="form1"">
Please enter the day and month here: <br />
<input type="text" id="month" />
<br />
Result will be printed here: <br />
<input type="text" id="days" />
<br />
<input type="button" onClick="dateInsert();" value="Return Date"/>
</form>


</body>
</html>

It gives me 76 when I enter 5 5

The website below gives me 41 days
http://www.7is7.com/otto/countdown.html
0
 
LVL 7

Accepted Solution

by:
Lalit Chandra earned 2000 total points
ID: 37745300
As i told you in javascript Month starts from  0(jan) to 11 (feb).
In the site that you r referring has already handled it to resemble 1-12 which is human readable.

you can also do this by asking the integer value from 1-12 and subtract 1 from the input value to resemble the same.
To test in your reference url enter 6 in MM in place of 5 ,the result will be same.
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