Array 'findIndex' method in Javascript (Array.prototype.findIndex)

You can use the findIndex() method on Arrays in Javascript to search through an array and find the index of an element which meets/satisfies a testing condition that you pass in through a function. For your reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex If this video helped you out and you'd like to see more, make sure to leave a like and subscribe to dcode!