Answer to Question #241621 in HTML/JavaScript Web Application for rasi

Question

Given an array (myArray), write a JS program to find the index of the first boolean value in myArray using "findIndex()" method. Note: If the value is not present in the array, findIndex() returns "-1".Input :The first line of input will contain an array (myArray).Output:

The output should be a single line containing the index or -1.

input1:[ 'a', true, 'v', 5 ]

output1:1

input2:[ 'Oxygen', 'Nitrogen', 'Carbon', 'Hydrogen' ]

output2:-1

Answer 1

function getIndex(myArray) {
  return myArray.findIndex(element => (element == true || element == false)); 
 }


const myArray =['a', true, 'v', 5 ];
console.log(getIndex(myArray)); 
const myArray1=[ 'Oxygen', 'Nitrogen', 'Carbon', 'Hydrogen']
console.log(getIndex(myArray1));