parent[functionName].toString=()=>originalFunctionClone.toString();// You cannot just set directly a.toString = b.toString like we used to because strange internal JS prototype things, so make a new function just to run original function
parent[functionName].toString=()=>original.toString();// You cannot just set directly a.toString = b.toString like we used to because strange internal JS prototype things, so make a new function just to run original function