autoformat mobile number (xxx) xxx-xxx codepen
// For this type format xxx-xx-xxxx
$(document).on('keyup','your input element',function(){
let text=$(this).val()
text=text.replace(/\D/g,'')
if(text.length > 3) text=text.replace(/.{3}/,'$&-')
if(text.length > 6) text=text.replace(/.{6}/,'$&-')
$(this).val(text.substring(0,11));
});
//For this type format (999) 999-9999
$(document).on('keyup','Your input element',function(e){
let text=$(this).val()
text=text.replace(/\D/g,'')
text=text.replace(/.{0}/,'$& ( ' )
text=text.replace(/.{6}/,'$& ) '); //Add hyphen at pos.4
text=text.replace(/.{12}/,'$&-') //Add hyphen at pos.8
$(this).val(text.substring(0,17)); //Set the new text
});