There are 2 ways to print Array in JavaScript. First use The toString() method returns a string with array values separated by commas.
array.toString()Or if need to print array elements, do loop over the array and print each element to the console.
for(let i = 0; i < arr.length; i++){
  console.log(arr[i]);
}Examples Print Array in JavaScript
Simple example code Print Array all element in Single line.
  <!DOCTYPE html>
  <html>
  <head>
    <script>
      const fruits = ["Kiwi", "Orange", "Apple", "Mango"];
      let res = fruits.toString();
      console.log(res)
    </script>
  </head>
  </html>
Output: Banana,Orange,Apple,Mango
Example Print each array element.
<script>
      const fruits = ["Kiwi", "Orange", "Apple", "Mango"];
      
      for(let i = 0; i < fruits.length; i++){
        console.log(fruits[i]);
      }
</script>Output:

If you want the elements to be printed on a web page. You can do so by assigning the array as the innerHTML property of an element.
<script>
      let arr = ["A", "B", "C"];
      document.getElementById("arrPrint").innerHTML = arr;
</script>JSON format print Array
<script>
      let arr = [{name: "Jack"}, {name: "John"}, {name: "James"}];
      document.getElementById("arrPrint").innerHTML = JSON.stringify(arr, null, 2);
</script>Output:
[
  {
    "name": "Jack"
  },
  {
    "name": "John"
  },
  {
    "name": "James"
  }
]
Do comment if you have any doubts or suggestions on this JS Array topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version