Open DingSJi opened 3 months ago
const fn = function(str){ let arr = str.split("") let obj = {} let maxStr = "", maxNum = 0; arr.reduce((pre, next) => { if(pre in obj){ if(pre == next) obj[pre]++ }else{ obj[pre] = 1 } return next },arr[0]) console.log(obj) for(let key in obj){ if(maxNum < obj[key]){ maxNum = obj[key] maxStr = key } } return ${maxStr}-${maxNum} }
${maxStr}-${maxNum}
console.log(fn('aaaaaabbbba'))
const fn = function(str){ let arr = str.split("") let obj = {} let maxStr = "", maxNum = 0; arr.reduce((pre, next) => { if(pre in obj){ if(pre == next) obj[pre]++ }else{ obj[pre] = 1 } return next },arr[0]) console.log(obj) for(let key in obj){ if(maxNum < obj[key]){ maxNum = obj[key] maxStr = key } } return
${maxStr}-${maxNum}}console.log(fn('aaaaaabbbba'))