Ajax calls are not working properly in IE 10

Question

Hi ,
  I am using telerik masked text box in my registration form, and property given mask="###/###-####"  and I have set MaxLength=10 and I have written Javascript for validation  it is working fine for Internet Explorer 9 .
But Later I have installed IE 10 It gives error like You must enter text with 10 or Fewer Characters Even I Have given 123/456-7890 surrounded with Red mark  and It will be in many forms please give me correct solutions may I  add any script files for IE or need to change in all the forms.
  I am waiting for your answer.
Thanks in advance :).