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JavaScript: Check from three given integers that whether a number is greater than or equal to 20 and less than one of the others

JavaScript Basic: Exercise-44 with Solution

Write a JavaScript program to check from three given integers that whether a number is greater than or equal to 20 and less than one of the others.

Pictorial Presentation:

JavaScript: Check from three given integers that whether a number is greater than or equal to 20 and less than one of the others

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JavaScript program to check from three given integers that whether a number is greater than or equal to 20 and less than one of the others.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function lessby20_others(x, y, z) 
{
return (x >= 20 && (x < y || x < z)) ||
(y >= 20 && (y < x || y < z)) ||
(z >= 20 && (z < y || z < x));
}
console.log(lessby20_others(23, 45, 10));
console.log(lessby20_others(23, 23, 10));
console.log(lessby20_others(21, 66, 75));

Sample Output:

true
false
true

Flowchart:

Flowchart: JavaScript - Check from three given integers that if a number is greater than or equal to 20 and less than one of the others

Live Demo:

See the Pen JavaScript: Check from three given integers that whether a number is greater than or equal to 20 and less than one of the others - basic-ex-44 by w3resource (@w3resource) on CodePen.


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Previous: Write a JavaScript program to check from three given numbers (non negative integers) that two or all of them have the same rightmost digit.
Next: Write a JavaScript program to check two given integer values and return true if one of the number is 15 or if their sum or difference is 15.

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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