JavaScript Array entries() Method
Below is the example of the Array entries() method.
- Example:
<!DOCTYPE html><html><bodystyle="text-align: center;"><h1style="color: green;">GeeksforGeeks</h1><b>JavaScript | Array entries() Method</b><pid="geeks"></p><script>var lnaguages = ["HTML", "CSS","JavaScript", "ReactJS"];var g = lnaguages.entries();for (x of g) {document.getElementById("geeks").innerHTML += x + "<br>";}</script></body></html>chevron_rightfilter_none - Output:
The arr.entries() method is used to get a new Array that contains the key and value pairs for each index of an array.
Syntax:
array.entries()
Parameters: This method does not accept any parameter.
Return value: It returns an array of indexes and values of the given array on which arr.entries() method is going to work.
More example codes for the above method are as follows:
Program 1:
<script> var arr = ["HTML", "CSS", "JS", "Bootstrap", "PHP"]; var seqn = arr.entries(); document.write("Applying the Array entries method:" + "<br>"); for (var x of seqn) { document.write(x + "</br>"); } </script> |
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Output:
Applying the Array entries method: 0,HTML 1,CSS 2,JS 3,Bootstrap 4,PHP
Program 2:
<script> const x = ["Geeks", "for", "Geeks"]; for (const [index, element] of x.entries()) document.write(index, element); </script> |
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Output:
0Geeks1for2Geeks
Supported Browsers: The browsers supported by JavaScript Array entries() method are listed below:
- Google Chrome 38.0
- Microsoft Edge 12.0
- Mozilla Firefox 28.0
- Safari 8.0
- Opera 25.0
