Posts by RJuliao • 42 points

• 1

  votes

  1

  answer

  44

  views

  Q: Javascript, why only Document has the getElementById() method?

  The query is simple, because javascript only allows calling the getElementById() method at the root of the DOM tree? In other words? because only the object Document has the getElementById method().…

  javascript dom

  asked 3 years, 9 months ago RJuliao 42

• 0

  votes

  1

  answer

  695

  views

  A: Problems connecting to my computer using external ip

  Unfortunately the Suport port remapping of UPNP technology is stopped because most routers do not perform this operation. Several serious flaws justify this, however it should always take into…

  java android socket

  answered 8 years, 11 months ago RJuliao 42