JavaScript Array entries() Method

　JavaScript Array Object

The entries() method returns a new array iterator object that contains the keys at each index of the array/Pairs.

Syntax:

array.entries()

var fruits = ['Apple', 'Mango', 'Banana'];
var iter = fruits.entries();

For each item in the original array, the new iterator object will contain an array with the index as the key and the item value as the value:

• [0，“ Apple”]

• [1，“Mango”]

• [2，“Banana”]

Browser Compatibility

The numbers in the table specify the first browser version that fully supports the entry() method:

Technical Details

More Examples

The following code uses the for...of loop to print the key/Value Pair:

var fruits = ['Apple', 'Mango', 'Banana'];
var iter = fruits.entries();
for (let e of iter) {
　console.log(e);
}

　JavaScript Array Object