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Array entries() method with example in JavaScript
JavaScript entries() method: Here, we are going to learn about the entries() method of array in JavaScript.
Submitted by IncludeHelp, on March 02, 2019
JavaScript entries() method
entries() method is used to create an iterator object of an array to access the keys (index) and values.
Syntax
array.entries();
Parameters
None
Return value
An iterator object of the array.
Note: To print the key, value using iterator, we use iterator.next().value.
Sample Input/Output
Input:
var names = ["Manju", "Amit", "Abhi", "Radib", "Prem"];
Function call:
var it = names.entries();
it.next().value;
Output:
0,Manju
JavaScript Code to demonstrate example of Array.entries() method
<html>
<head>
<title>JavaScipt Example</title>
</head>
<body>
<script>
var names = ["Manju", "Amit", "Abhi", "Radib", "Prem"];
//creating an iterator
var it = names.entries();
//printing keys(index) & values
document.write(it.next().value + "<br>");
document.write(it.next().value + "<br>");
document.write(it.next().value + "<br>");
document.write(it.next().value + "<br>");
document.write(it.next().value + "<br>");
</script>
</body>
</html>
Output
0,Manju
1,Amit
2,Abhi
3,Radib
4,Prem
JavaScript Array Object Methods »