var maximum69Number = function(num) { let numString = num + ""; for(let i=0; i<numString.length; i++){ let currentDigit = Number(numString[i]); if(currentDigit==6){ return Number(numString.slice(0,i) +'9' +numString.slice(i+1,numString.length)) } } return num; };
good
@thecodingclubofficial
var maximum69Number = function(num) { let numString = num + ""; for(let i=0; i<numString.length; i++){ let currentDigit = Number(numString[i]); if(currentDigit==6){ return Number(numString.slice(0,i) +'9' +numString.slice(i+1,numString.length)) } } return num; };