code: public XSS js(final JavaScriptEscapeType type, final JavaScriptEscapeLevel level) {
      this.jslevel = requireNonNull(level, "Level required.");
      this.jstype = requireNonNull(type, "Type required.");
      return this;
    }
docs: Set JavaScript escape type and level.
  
  @param type Type.
  @param level Level.
  @return This module.