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Full Discussion: Javascript to force decimals in 0.25 steps
Top Forums Web Development Javascript to force decimals in 0.25 steps Post 302918558 by Akshay Hegde on Wednesday 24th of September 2014 07:42:40 AM
Old 09-24-2014
You mean like this ,

Code:
<script type="text/javascript">
   var fixed = 0.25
   function TextChange(e)
   { 
        if (isNaN(e.value)){ alert('must be numeric'); return  }
       
	var v = Math.floor( (parseFloat( e.value.toString().split(".")[1].substring(0,2) ) * 0.01)/fixed ); 
     e.value  =  (e.value | 0 ) +  fixed * (isNaN(v) ? 0 : v);   
   }
</script>

<input type="number" onchange="TextChange(this)" />

Last edited by Akshay Hegde; 09-24-2014 at 08:54 AM..
 

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LEARN ABOUT MOJAVE

fixed

fixed(3alleg4)							  Allegro manual						    fixed(3alleg4)

NAME

       fixed - Fixed point integer to replace floats. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       typedef long fixed

DESCRIPTION

       This  is  a  fixed  point  integer  which can replace float with similar results and is faster than float on low end machines. Read chapter
       "Fixed point math routines" for the full explanation.

SEE ALSO

       ,  ex12bit(3alleg4),   ex3buf(3alleg4),	 ex3d(3alleg4),   excustom(3alleg4),   exfixed(3alleg4),   exrotscl(3alleg4),	exspline(3alleg4),
       exsprite(3alleg4), exstars(3alleg4), exupdate(3alleg4)

Allegro 							   version 4.4.2						    fixed(3alleg4)
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