print index of array javascript code example
Example 1: js get index of item in array
array.indexOf("item");
Example 2: js array get index
var fruits = ["Banana", "Orange", "Apple", "Mango"];
return fruits.indexOf("Apple");
Example 3: make indexOF in js
function indexOf(arr, value) {
for (let [i, e] of arr.entries()) {
if (value == e) return i;
}
return -1;
}
indexOf([1,2,3], 2);
Example 4: how to get the index of an array in javascript
search = (arr, item) => { return arr.indexOf(item); }
Example 5: access index of array javascript
let first = fruits[0]
let last = fruits[fruits.length - 1]