p5.js arrayCopy() function

function setup() { 
 
    // Creating Canvas of given size
    createCanvas(500, 90); 
} 
 
function draw() { 
     
    // Set the background color 
    background(220); 
     
    // Initializing the source array
    let src = ['IT', 'CSE', 'ECE'];
   
    // Initializing the source array position
    // from where the elements are to be copied.
    let src_pos = 1;
   
    // Initializing the destination array 
    let dst = ['Ram', 'Shyam', 'Geeta'];
     
    // Initializing the destination position
    // where copied elements are to be pasted.
    let dst_pos = 0;
   
    // Initializing the number of source array elements
    // which are to be copied.
    let length = 2;
   
    // Calling to arrayCopy() function.
    arrayCopy(src, src_pos, dst, dst_pos, length);
     
    // Set the size of text 
    textSize(16); 
     
    // Set the text color 
    fill(color('red')); 
   
    // Getting new destination array
    text("New destination array is : " + dst, 50, 30);
              
} 

function setup() { 
 
    // Creating Canvas of given size
    createCanvas(500, 90); 
} 
 
function draw() { 
     
    // Set the background color 
    background(220); 
     
    // Initializing the source array
    let src = ['geeks', 'Students', 'Teachers'];
   
    // Initializing the source array position
    // from where the elements are to be copied.
    let src_pos = 2;
   
    // Initializing the destination array
    let dst = ['A', 'B', 'C'];
     
    // Initializing the destination position
    // where copied elements are to be pasted.
    let dst_pos = 1;
   
    // Initializing the number of source array elements
    // which are to be copied.
    let length = 1;
 
    // Calling to arrayCopy() function
    arrayCopy(src, src_pos, dst, dst_pos, length);
     
    // Set the size of text 
    textSize(16); 
     
    // Set the text color 
    fill(color('red')); 
   
    // Getting new destination array
    text("New destination array is : " + dst, 50, 30);
}