Remove a field programatically from a list using JSOM

RemoveField.js

var context = SP.ClientContext.get_current()
var web = context.get_web()
var lists = web.get_lists()
var list = lists.getByTitle('Test') // Replace with title of list
var cols = list.get_fields()
var col = cols.getByInternalNameOrTitle('XYZ') // replace with title or internal name of column
col.deleteObject()
context.executeQueryAsync(
  function(){
  	alert('Done')
  },
  function() {
  	alert('Error')
  })