find

Describing the find Operation

• The find operation is used for returning the first element of an array satisfying a condition

• It accepts a callback function with the following arguments:

  • currentValue: Current element processed in the array
  • index: Optional index of currentValue
  • array: Optional array that is called
  • thisArg: Optional value to use as this

Defining an Array

let fruits = ["Apple", "Banana"];
console.log(fruits.length);
// 2

Using the find Operation

// Regular function
fruits.find(function(item, index, array) {
    return item.length < 10;
})
// "Apple"

// Arrow function
fruits.find(item => item.length < 10);
// "Apple"