JavaScript: Convert a decimal number to binary, hexadecimal or octal number
JavaScript Math: Exercise-3 with Solution
Write a JavaScript function to convert a decimal number to a binary, hexadecimal or octal number.
Test Data:
console.log(dec_to_bho(120,'B'));
console.log(dec_to_bho(120,'H'));
console.log(dec_to_bho(120,'O'));
"1111000"
"78"
"170"
Pictorial Presentation:
Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Convert a decimal number to binary, hexadecimal or octal number</title>
</head>
<body>
</body>
</html>
JavaScript Code:
dec_to_bho = function(n, base) {
if (n < 0) {
n = 0xFFFFFFFF + n + 1;
}
switch (base)
{
case 'B':
return parseInt(n, 10).toString(2);
break;
case 'H':
return parseInt(n, 10).toString(16);
break;
case 'O':
return parseInt(n, 10).toString(8);
break;
default:
return("Wrong input.........");
}
}
console.log(dec_to_bho(120,'B'));
console.log(dec_to_bho(120,'H'));
console.log(dec_to_bho(120,'O'));
Sample Output:
1111000 78 170
Flowchart:

Live Demo:
See the Pen javascript-math-exercise-3 by w3resource (@w3resource) on CodePen.
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