Linear search algo

by Rich Costello

JavaScript

function linearSearch(arr, target) {
  for(let i = 0; i < arr.length; i++) {
    if(arr[i] === target) {
      return i
    }
  }
  return -1
} 

console.log(linearSearch([-5, 2, 10, 4, 6], 10))
console.log(linearSearch([-5, 2, 10, 4, 6], 6))
console.log(linearSearch([-5, 2, 10, 4, 6], 20))