JavaScript – Create Empty String

To create an empty string in JavaScript, do not provide any value in double quotes, single quotes, or back-ticks. Or, we can also use String() constructor and pass no parameter in the constructor call.

Examples

The following are some of the quick examples to create an empty string in JavaScript.

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Copy
var str1 = '';
var str2 = "";
var str3 = ``;
var str4 = new String();

In the following program, we create an empty string in JavaScript, and display this string in a div.

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
</head>
<body>
    <div id="output" style="padding: 10px;background: yellow;"></div>
    <script>
        var str = '';
        document.getElementById('output').innerHTML = str;
    </script>
</body>
</html>

Conclusion

In this JavaScript Tutorial, we learned how to create an empty string in JavaScript, in different ways, with examples.