The Javascript TypedArray map() method forms a new array with the result of calling a function for every element.
Syntax:
array.map(function(value, index, arr), thisValue)
Parameters:
value: It represents the current element’s value.
index: It represents the index position of the current element.
arr: It represents the array on which map() is called.
thisValue: It represents this argument for the function.
Returns:
New Array.
Example 1:
<!DOCTYPE html> <html> <body> <script type="text/javascript"> var Jewels = ["DIAMOND","GOLD","PLATINUM","SILVER"]; var gems =Jewels.map(function(Jewels) { return Jewels + " Jewellery "; }); document.write(gems); </script> </body> </html>
Example 2:
<!DOCTYPE html> <html> <body> <script type="text/javascript"> const testArray = new Uint8Array([100, 36]); const roots = testArray.map(Math.sqrt); document.write(roots); </script> </body> </html>