How to calculate the number of words in a string using jQuery

419 views 9 months ago jQuery

Use the JavaScript `split()` method

You can calculate or find the number of words in a string using the JavaScript split() method. This method simply split a string into an array of substrings by a specified character.

In the following example we have also used the trim() method to remove the leading and trailing white spaces from the string before counting the numbers of words.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Count Number of Words in a String</title>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script>
    $(document).ready(function(){
        $("button").click(function(){
            var words = $.trim($("textarea").val()).split(" ");
            alert(words.length);
        });
    });
</script>
</head>
<body>
    <textarea cols="50">The quick brown fox jumps over the lazy dog.</textarea>
    <br>
    <button type="button">Count Words</button>
</body>
</html>

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