Write a function called lucky_sevens which takes an array of integers and returns true if any three consecutive elements sum to 7. code example

Example: Write a function called lucky_sevens which takes an array of integers and returns true if any three consecutive elements sum to 7. by js

function luckySevens(arr){
  for (let i = 0; i< arr.length; i++){
    if (arr.slice(i,i+2).reduce((a,c)=>a+c) === 7) return true
    else if (arr.slice(i,i+3).reduce((a,c)=>a+c) === 7) return true
    }
  return false
}

Tags:

Javascript Example

Related