Shorthand functions and Multiple catch clauses MCQ

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• What is the code required to delete all “weight” tags? ; c) delete pt; d) delete pt..weight;
  ক

  delete weight(pt).all;

  খ

  delete pt.element[all

  গ

  all

  ঘ

  all
• Which of the following is an example to perform the most common XML manipulations using the XML objects invocation?
  ক

  insertChildBefore()

  খ

  insertChildAfter()

  গ

  appendChildAfter(…)

  ঘ

  appendChildBefore(…)
• Which of the following is the descendant operator?
  ক

  ..

  খ

  …

  গ

  *

  ঘ

  @
• Which method to use while working with XML fragments, instead of XML()?
  ক

  XMLInterface()

  খ

  XMLClass()

  গ

  XMLList()

  ঘ

  XMLArray()
• What is the return type of typeof for standard JavaScript objects?
  ক

  xml

  খ

  object

  গ

  dom

  ঘ

  html
• When will the finally block be called?
  ক

  When there is no exception

  খ

  When the catch does not match

  গ

  When there is exception

  ঘ

  After try-catch execution
• What will be the reaction when a catch clause has no conditionals?
  ক

  Takes it to be 0

  খ

  Takes it to be 1

  গ

  Takes it to be true

  ঘ

  Takes it to be false
• What is the code to be used to trim whitespaces?
  ক

  let trimmed = (l.trim() for (l in lines));

  খ

  let trimmed = (trim(l));

  গ

  let trimmed = l.trim();

  ঘ

  let trimmed = for(l in lines));