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How to create a string by joining the elements of an array in JavaScript

mhmadesk
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2022-05-18
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How to create a string by joining the elements of an array in JavaScript

JavaScript programming,
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mhmadesk
2022-05-18
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Use the JavaScript join() method

You can easily create a string by joining the elements of an array using the JavaScript join() method. The join() method also allow you to specify separator to separate the array elements. The default separator is comma (,). Let's take a look at the following example:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript Create String by Joining Array Elements</title>
</head> 
<body>
    <script>
        // Sample array
        var colors = ["red", "green", "blue"];
        
        // Joining array elements
        alert(colors.join()); // Outputs: red,green,blue
        alert(colors.join(", ")); // Outputs: red, green, blue
        alert(colors.join("-")); // Outputs: red-green-blue
        alert(colors.join(" + ")); // Outputs: red + green + blue
        alert(colors.join("")); // Outputs: redgreenblue
    </script>
</body>
</html>

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