Our List Factors code in Javascript.
Javascript Embedded in .html File:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Listing The Factors Of A Number.</title>
</head>
<body>
<h4>Factors of any number are those numbers that can divide
the number under question without remainder.</h4>
<div id="my_factors"></div>
<script>
var find_my_factors = 48;
var found_factors = [];
// 'count' acts as both index into array 'found_factor' and count of number of factors found
var count = 0;
var square_root_range = Math.sqrt(find_my_factors); // Use this range for our loop
square_root_range = Math.ceil(square_root_range);
var i = 1;
/*
* Loop through 1 to 'find_my_factors' and test for divisibility.
*/
for (; i < square_root_range; i++) {
if ((find_my_factors % i) == 0) {
found_factors[count++] = i;
/* Get the complementing factor by dividing 'find_my_factor' by variable i. */
found_factors[count++] = find_my_factors / i;
}
}
// Sort the array in ascending order; Not entirely necessary.
found_factors.sort(
function (a, b) {
return a - b;
}
);
document.getElementById("my_factors").innerHTML =
"The factors of " + find_my_factors + " are: <br />" + found_factors.join(", ");
</script>
</body>
</html>Try it out!
Elegance (0.0)
