--- id: 5d7925346f4f2da6df4354a6 title: Part 25 challengeType: 0 dashedName: part-25 --- # --description-- Define an empty function `applyFn` which takes an argument `str`. Use the curly brace syntax with an anonymous function. Do not wrap parentheses around the parameter. # --hints-- See description above for instructions. ```js assert(code.replace(/\s/g, '').includes('constapplyFn=str=>{}')); ``` # --seed-- ## --before-user-code-- ```html