javascript every other element in array
let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
// filter out all elements that are located at an even index in the array.
let x = arr.filter((element, index) => {
return index % 2 === 0;
})
console.log(x)
// [1, 3, 5, 7, 9]get every other item in an array
// If you want every odd index value:
var myArray = ["First", "Second", "Third", "Fourth", "Fifth"]
function every_other(array){
var temporaryArray = []
for (var i = 0; i < array.length; i += 2){ //Add two to i every iteration
temporaryArray.push(array[i]) //Add the element at index i to a temporary array
}
return temporaryArray.join(", ")
}
console.log(every_other(myArray)) //Expected output: First, Third, Fifthget every other item in an array
// If you want every even index value:
var myArray = ["First", "Second", "Third", "Fourth", "Fifth"]
function every_other(array){
var temporaryArray = []
for (var i = 1; i < array.length; i += 2){ //Add two to i every iteration
temporaryArray.push(array[i]) //Add the element at index i to a temporary array
}
return temporaryArray.join(", ")
}
console.log(every_other(myArray)) //Expected output: Second, FourthCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
