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Problems with jQuery slider and input

I'm trying to make my first jQuery slider, and I have this code:

$("#str").keyup(function(event) {
var data=$("#str").val();
if (data.length>0)开发者_StackOverflow 
{
 var intdata=SpecialRound(parseFloat(data));
 if (intdata>=0 && intdata<=20) 
 {
  $("#str_slider").slider("option", "value", data);
 }
 else
 {
  if (intdata<0) 
  {
   $("#str").val("0");
   $("#str_slider").slider("option", "value", "0");
  }
  if (intdata>20) 
  {
   $("#str").val("20");
   $("#str_slider").slider("option", "value", "20");
  }
 }
}
});

Although, I have a problem. When I write something in the input with the ID #str, nothing happens. Though, the sliders works perfect. You can test att http://vpopulus.tk/damage

EDIT: I basicly want to make so when you edit the input, the slider is changed too.


I think your selector $('#str') is the problem, because your input has no ID #str but just a name attribute with value "str". The correct selector would be $('input[name="str"]')

EDIT: The actual problem is this SpecialRound function because you're using a not-existing function "round()" there. Use this instead:

//Special round
function SpecialRound(f) {
   return Math.round(f*100) / 100;
}


if i were you i'd use the change event instead of keyup

for example:

$( "#str" ).change(function() {
    var val = this.val(); // you can do your rounding here then...
    $("#str_slider").slider( "value", val );
});


By looking at your testpage, you have at line 54 in SpecialRound

var r=round(f*100)/100;

that should be

var r=Math.round(f*100)/100;
0

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