JavaScript typedArray.copyWithin() with Examples

<script>
    // Constructing a new typedArray "A"
    // with some elements
    const A = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    
    // Calling copyWithin function to copy
    // element from index position 0 and
    // element from index 4 to 5
    A.copyWithin(0, 4, 5);
    
    // Printing a new modified array
    console.log(A);
</script>

<script>
    // Constructing some new typedArrays
    // with some elements
    const A = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    const B = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    const C = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    const D = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    const E = new Uint8Array([ 5, 10, 15, 20, 25, 30, 35, 40 ]);
    
    // Calling copyWithin function with different
    // parameters
    a = A.copyWithin(0, 5);
    b = B.copyWithin(1, 4);
    c = C.copyWithin(0, 4, 5);
    d = D.copyWithin(2, 3, 5);
    e = E.copyWithin(0, 1, 4);
    
    // Printing new modified arrays
    console.log(a);
    console.log(b);
    console.log(c);
    console.log(d);
    console.log(e);
</script>