Mask SharePoint Title field to password field

To mask SharePoint Title field with password field Add CEWP on your list new item page and add following script in to it 

var inpColl=document.getElementsByTagName("input");
var globalvariable;
if(inpColl!=null && inpColl.length>0){
for (var i=0;i<=inpColl.length;i++)
{
   if(inpColl[i].title=="Title")
 {
  globalvariable=inpColl[i].id;
  var input=document.getElementById(globalvariable);
  var input2= input.cloneNode(false);
  input2.type="password";
  input.parentNode.replaceChild(input2,input);
  }
 }

}