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JavaScript: Test whether a given integer is greater than 15 return the given number, otherwise return 15

JavaScript Basic: Exercise-137 with Solution

Write a JavaScript program to test whether a given integer is greater than 15 return the given number, otherwise return 15.

Pictorial Presentation:

JavaScript: Test whether a given integer is greater than 15 return the given number, otherwise return 15.

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Test whether a given integer is greater than 15 return the given number, otherwise return 15.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function test_fifteen(num) 
{
    while(num<15){
        num++;
    }
    return num;
}
console.log(test_fifteen("123"));
console.log(test_fifteen("10"));
console.log(test_fifteen("5"));

Sample Output:

123
15
15

Flowchart:

Flowchart: JavaScript - Test whether a given integer is greater than 15 return the given number, otherwise return 15

ES6 Version:

function test_fifteen(num) 
{
    while(num<15){
        num++;
    }
    return num;
}
console.log(test_fifteen("123"));
console.log(test_fifteen("10"));
console.log(test_fifteen("5"));

Live Demo:

See the Pen javascript-basic-exercise-137 by w3resource (@w3resource) on CodePen.

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Next: Write a JavaScript program to reverse the bits of a given 16 bits unsigned short integer.

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JavaScript: Tips of the Day

Parameter's value

function getItems(fruitList, ...args, favoriteFruit) {
  return [...fruitList, ...args, favoriteFruit]
}

getItems(["banana", "apple"], "pear", "orange")

...args is a rest parameter. The rest parameter's value is an array containing all remaining arguments, and can only be the last parameter! In this example, the rest parameter was the second parameter. This is not possible, and will throw a syntax error.

function getItems(fruitList, favoriteFruit, ...args) {
  return [...fruitList, ...args, favoriteFruit];
}


getItems(['banana', 'apple'], 'pear', 'orange');
The above example works. This returns the array [ 'banana', 'apple', 'orange', 'pear' ].

Ref: https://bit.ly/3jFRBje