Parenthesis/Brackets Matching using Stack algorithm

Question

For example if the parenthesis/brackets is matching in the following:

({})
(()){}()
()

and so on but if the parenthesis/brackets is not mat

Answer 1

  Check balanced parenthesis or brackets with stack-- 
  var excp = "{{()}[{a+b+b}][{(c+d){}}][]}";
   var stk = [];   
   function bracket_balance(){
      for(var i=0;i