TypedArray fill() JavaScript - W3spoint

The Javascript TypedArray fill() method fills all the elements of an array from start index to the end index with a static value.

Syntax:

array.fill(value)  
array.fill(value, start)  
array.fill (value, start, end)

Parameters:
value: It represents the value to fill the array.
start: It represents index position to start filling the array. Default is 0.
end: It represents the index position to end filling the array. Default is array.length -1.

Returns:
Size of the array without modification.

Example 1:

<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">  
var Jewels = ["DIAMOND","GOLD","PLATINUM","SILVER"];      	 
Jewels.fill("GOLD");   
document.write(Jewels);  	 
</script>
</body>
</html>

Output:

GOLD,GOLD,GOLD,GOLD

Example 2:

<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">  
const testArray = new Uint8Array([34, 45, 23, 10]);
 
testArray.fill(4, 1, 3);
 
document.write(testArray);
 
</script>
</body>
</html>

Output:

34,4,4,10

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