JavaScript: Divide two positive numbers and return a string with properly formatted commas

Last update on May 30 2022 10:01:06 (UTC/GMT +8 hours)

JavaScript Basic: Exercise-56 with Solution

Write a JavaScript program to divide two positive numbers and return a string with properly formatted commas.

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JavaScript program to divide two positive numbers and return a string with properly formatted commas.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function division_string(n1, n2) {
  
n1 = 80;
n2 = 6;

var div = Math.round(n1 / n2).toString(),
result_array = div.split("");

if (div >= 1000)
{
for (var i = div.length - 3; i > 0; i -= 3) 
{
result_array.splice(i, 0, ",");
}
result_array;
}
console.log(result_array);

Sample Output:

["1","3"]

Flowchart:

Live Demo:

See the Pen JavaScript - Check if a given string contains equal number of p's and t's present - basic-ex-55 by w3resource (@w3resource) on CodePen.

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JavaScript: Tips of the Day

How to insert an item into an array at a specific index (JavaScript)?

What you want is the splice function on the native array object.

arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2:

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());

Ref: https://bit.ly/2BXbp04