javascript indexof array of numbers code example

Example 1: js array get index

var fruits = ["Banana", "Orange", "Apple", "Mango"];
return fruits.indexOf("Apple"); // Returns 2

Example 2: how to get the index of an array in javascript

search = (arr, item) => { return arr.indexOf(item); }

Example 3: indexof javascript

arr.indexOf(searchElement[, fromIndex])

Example 4: js index to index

let array = [5, "Foo", 3, "Bar"];
array.slice(2);
// Output = [3, "Bar"]

let string = "Volvo Cars";
string.slice(2);
// Output = "lvo cars"