The Javascript TypedArray Keys() method is used to retrieve an Array Iterator object with the keys of an array.
Syntax:
array.keys()
Parameters: value: It represents the current element’s value. index: It represents the index position of the current element. arr: It represents the array. thisValue: It represents this argument for the function.
Returns: It returns an iterator object containing the keys as the index for each array element.
Example 1:
<!DOCTYPE html> <html> <body> <script type="text/javascript"> var Jewels = ["DIAMOND","GOLD","PLATINUM","SILVER"]; result = Jewels.keys() document.write(result.next().value +"<br>"); document.write(result.next().value +"<br>"); document.write(result.next().value +"<br>"); document.write(result.next().value); </script> </body> </html>
Example 2:
<!DOCTYPE html> <html> <body> <script type="text/javascript"> var arr = new Uint8Array([34, 12, 45, 78, 12]); var arrKey = arr.keys(); for (let key of arrKey) { document.write(key); document.write("</br>"); } </script> </body> </html>
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