Return true if this stack is empty.
()
| 176 | |
| 177 | /** Return true if this stack is empty. */ |
| 178 | isEmpty() { |
| 179 | return !this._elements.length; |
| 180 | } |
| 181 | |
| 182 | /** Return the length of the stack. */ |
| 183 | length() { |
no outgoing calls
no test coverage detected