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JavaScript entries() | Convert an Array to an Iterator Object
The JavaScript entries() method returns an object Array Iterator that will obviously in key/value pairs. For example:
HTML with JavaScript Code
<!DOCTYPE html> <html> <body> <script> const a = ["Berlin", "Vancouver", "Tokyo", "NYC"]; const b = a.entries(); for(let x of b) { document.write(x); document.write("<BR>"); } </script> </body> </html>
The snapshot given below shows the sample output produced by above JavaScript example:
Note - The for...of loop is used to loop through the values of an iterable object.
JavaScript entries() Syntax
The syntax of entries() method in JavaScript is:
array.entries()
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