jquery - Validating Contact Number in javascript -


I have a text box and my form is like this: 

  & lt ; Input type = "text" name = "ncctact" placeholder = "new contact number" id = "txtNewContact" /> & Lt; Div id = "divCheckContact" & gt; Now on every key press of a key in the NCCTact, I have to check whether the value entered is a number or not, and this is also 10 digit number. And display the message in Disease   
 P> 
 How to do this Please help.   
 
 
 You do this by doing a  pattern  and  title  To:  
  & lt; Input type = "text" pattern = "\ d {10}" title = "type 10 points please" />   
 will check the number of the above 10 digits and if this is not valid then the title will be displayed.  
  
  Note:  This is part of html5 spec. IE 9 will not work for and below.  
 You can also do this in pure JS:  
  var elem = document.getElementById ('txtNewContact'); Elem.onkeydown = function () {if /! D {10} /. Test (elem.value)) {Warning ("Type 10 points please"); }}

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