[Javascript] Characters to escape in JSON

 $("#exec").click(function(){
  var newPW = $("#newPW").val();
  console.log("old newPW:" + newPW);
  var testPW = 
  {
    test:newPW
  }
  //escape special charactors
  console.log("JSON.stringify:" + JSON.stringify(testPW));
 });

Reference:
Characters to escape in JSON