JavaScript: Convert a string to title case
JavaScript String: Exercise-34 with Solution
Write a JavaScript function to convert a string to title case.
Test Data:
console.log(sentenceCase('PHP exercises. python exercises.'));
"Php Exercises. Python Exercises."
Pictorial Presentation:

Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JavaScript function to convert a string to title case.</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function sentenceCase (str) {
if ((str===null) || (str===''))
return false;
else
str = str.toString();
return str.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
}
console.log(sentenceCase('PHP exercises. python exercises.'));
Sample Output:
Php Exercises. Python Exercises.
Flowchart:

Live Demo:
See the Pen JavaScript Convert a string to title case-string-ex-34 by w3resource (@w3resource) on CodePen.
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Previous: Write a JavaScript function to remove non-word characters.
Next: Write a JavaScript function to remove HTML/XML tags from string.
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JavaScript: Tips of the Day
How to check whether a string contains a substring in JavaScript?
ECMAScript 6 introduced String.prototype.includes:
const string = "foo"; const substring = "oo"; console.log(string.includes(substring));
includes doesn't have Internet Explorer support, though. In ECMAScript 5 or older environments, use String.prototype.indexOf, which returns -1 when a substring cannot be found:
var string = "foo"; var substring = "oo"; console.log(string.indexOf(substring) !== -1);
Ref: https://bit.ly/3fFFgZv
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