await is only treated as a FutureReservedWord when Module is the goal symbol of the syntactic grammar.

The following tokens are also considered to be FutureReservedWords when parsing strict mode code:

implements  package  protected
interface  private  public

 

When processing the production the interpretation of CoverParenthesizedExpressionAndArrowParameterList is refined using the following grammar:

 

In certain circumstances when processing the production the following grammar is used to refine the interpretation of LeftHandSideExpression:

 

When the production is recognized the following grammar is used to refine the interpretation of CoverParenthesizedExpressionAndArrowParameterList:

 

All grammar symbols not explicitly defined by the StringNumericLiteral grammar have the definitions used in the Lexical Grammar for numeric literals.

Each \u TrailSurrogate for which the choice of associated u LeadSurrogate is ambiguous shall be associated with the nearest possible u LeadSurrogate that would otherwise have no corresponding \u TrailSurrogate.