Javascript Data Type How to - Filter empty string value from array








Question

We would like to know how to filter empty string value from array.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!-- www  .j  a va  2s. com-->
var chatMessages = [
    "",
    " this",
    " is",
    " almost",
    " perfect",
    ""];
function chat() {
    for (var i = 0; i < chatMessages.length; i++) {
        var chatNow = chatMessages[i];
        if (chatNow != "") {
            document.writeln(chatNow);
            document.writeln('<br/>');
        }
    }
}
chat();

</script>
</head>
<body>
</body>
</html>

The code above is rendered as follows: