JavaScript: Formats a number to a human-readable string
JavaScript String: Exercise-15 with Solution
Write a JavaScript function to humanized number (Formats a number to a human-readable string.) with the correct suffix such as 1st, 2nd, 3rd or 4th.
Test Data:
console.log(humanize_format());
console.log(humanize_format(1));
console.log(humanize_format(8));
console.log(humanize_format(301));
console.log(humanize_format(402));
"1st"
"8th"
"301st"
"402nd"
Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Formats a number to a human-readable string </title>
</head>
<body>
</body>
</html>
JavaScript Code:
humanize_format = function humanize(num) {
if(typeof(num) == "undefined") return;
if(num % 100 >= 11 && num % 100 <= 13)
return num + "th";
switch(num % 10) {
case 1: return num + "st";
case 2: return num + "nd";
case 3: return num + "rd";
}
return num + "th";
}
console.log(humanize_format());
console.log(humanize_format(1));
console.log(humanize_format(8));
console.log(humanize_format(301));
console.log(humanize_format(402));
Sample Output:
undefined 1st 8th 301st 402nd
Flowchart:

Live Demo:
See the Pen JavaScript Formats a number to a human-readable string - string-ex-15 by w3resource (@w3resource) on CodePen.
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Next: Write a JavaScript function to truncate a string if it is longer than the specified number of characters.
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JavaScript: Tips of the Day
Tagged template literals
function getPersonInfo(one, two, three) { console.log(one); console.log(two); console.log(three); } const person = 'Lydia'; const age = 21; getPersonInfo`${person} is ${age} years old`;
If you use tagged template literals, the value of the first argument is always an array of the string values. The remaining arguments get the values of the passed expressions!
Ref: https://bit.ly/323Y0P6
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