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JavaScript: Check whether a given number is in a given range

JavaScript Basic: Exercise-118 with Solution

Write a JavaScript program to check whether a given number is in a given range.

Pictorial Presentation:

JavaScript: Check whether a given number is in a given range.

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title> Check if a given number is in a given range</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function is_inrange(x, y, z) 
{
    return y >= x && y <= z;
}

console.log(is_inrange(1,2,3));
console.log(is_inrange(1,2,-3));
console.log(is_inrange(1.1,1.2,1.3));

Sample Output:

true
false
true

Flowchart:

Flowchart: JavaScript - Check whether a given number is in a given range

ES6 Version:

function is_inrange(x, y, z) 
{
    return y >= x && y <= z;
}

console.log(is_inrange(1,2,3));
console.log(is_inrange(1,2,-3));
console.log(is_inrange(1.1,1.2,1.3));

Live Demo:

See the Pen javascript-basic-exercise-118 by w3resource (@w3resource) on CodePen.


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Next: Write a JavaScript program to check whether a given integer has an increasing digits sequence.

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JavaScript: Tips of the Day

Checks if a string is an anagram of another string (case-insensitive, ignores spaces, punctuation and special characters)

Example:

const isAnagram = (str1, str2) => {
  const normalize = str =>
    str
      .toLowerCase()
      .replace(/[^a-z0-9]/gi, '')
      .split('')
      .sort()
      .join('');
  return normalize(str1) === normalize(str2);
};
console.log(isAnagram('iceman', 'cinema')); // true

Output:

true