JavaScript to accept only numbers between 0 to 255 range

Question

My Requirement is to validate the ip ranges, I need to create a JavaScript function to accept only numeric and it must allow only between the range 0 to 255. If anything is ente

Answer 1

A function like this should do it:

function allownums(value){
   var num = parseInt(value,10);
   if(num <0 || num>255)
      alert('invalid')      
}

Then have your html look like:

Live example: http://jsfiddle.net/USL3E/