JavaScript: Check whether a given fraction is proper or not
JavaScript Basic: Exercise-133 with Solution
Write a JavaScript program to check whether a given fraction is proper or not.
Note: There are two types of common fractions, proper or improper. When the numerator and the denominator are both positive, the fraction is called proper if the numerator is less than the denominator, and improper otherwise.
Sample Solution:
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Check whether a given fraction is proper or not</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function proper_improper_test(num) {
return Math.abs(num[0] / num[1]) < 1
? "Proper fraction."
: "Improper fraction.";
}
console.log(proper_improper_test([12, 300]));
console.log(proper_improper_test([2, 4]));
console.log(proper_improper_test([103, 3]));
console.log(proper_improper_test([104, 2]));
console.log(proper_improper_test([5, 40]));
Sample Output:
Proper fraction. Proper fraction. Improper fraction. Improper fraction. Proper fraction.
Flowchart:
ES6 Version:
function proper_improper_test(num) {
return Math.abs(num[0] / num[1]) < 1
? "Proper fraction."
: "Improper fraction.";
}
console.log(proper_improper_test([12, 300]));
console.log(proper_improper_test([2, 4]));
console.log(proper_improper_test([103, 3]));
console.log(proper_improper_test([104, 2]));
console.log(proper_improper_test([5, 40]));
Live Demo:
See the Pen javascript-basic-exercise-133 by w3resource (@w3resource) on CodePen.
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Previous: Write a JavaScript program to find all distinct prime factors of a given integer
Next: Write a JavaScript program to change the characters (lower case) in a string where a turns into z, b turns into y, c turns into x, ..., n turns into m, m turns into n, ..., z turns into a.
What is the difficulty level of this exercise?
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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
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