Solved

FORMAT DECIMAL PLACES AND PAD  0's

Posted on 2008-10-01
2
2,172 Views
Last Modified: 2010-04-21
Hi
I am using the following script's attached  to format decimal places and pad zeros.
Is there a way to combine both pieces of code. At present one will undo the other
What I need is if I enter 8 ,  On Change  It becomes 008.0000 or if I enter 89.9  On Change it becomes
089.9000


Decimal places          onchange="fix(this)" 

function fix(o){

 if( !isNaN(parseInt(o.value,10)) )

 {

    o.value = parseInt(o.value).toFixed(4);

 }

}
 

Pad zeros     onblur="padValue(this,3);"

function pad(num, count) {

 

var lenDiff = count - String(num).length;

 

var padding = "";

 

 

if (lenDiff > 0)

 

while (lenDiff--)

 

padding += "0";

 

 

return padding + num;

 

}

 

 

function padValue(el, count) {

 

var num = Number(el.value);

 

 

if ( isNaN(num) ) {

 

alert("Please only enter numbers");

 

} else {

 

el.value = pad(num, count);

 

}

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Question by:Camnoc
2 Comments
 
LVL 29

Accepted Solution

by:
Göran Andersson earned 500 total points
ID: 22612638
Use the following function like this:

onblur="formatField(this,4,8);"
function formatField(obj, decimals, len) {

   var n = Number(obj.value);

   if (!isNaN(n)) {

      var s = parseInt(n).toFixed(decimals);

      while (s.length < len) s = '0' + s;

      obj.value = s;

   } else {

      alert("Please only enter numbers");

   }

}

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Author Closing Comment

by:Camnoc
ID: 31501886
Hi
Thanks very much. Much better code.

Thanks again
0

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