JavaScript, I cannot get value of input on this way?

Question

I cannot get value of input, why? Thanks for your answer! This is the code:

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <input id="fullname"/>
    <button id="button">button</button>
</body>
    <script>
        var name = document.getElementById("fullname").value;
        var btn = document.getElementById("button");
        btn.onclick = function(){alert(name)};
    </script>
</html>

Please post your code. Post it as text here, not as image links. Use { } in the SO editor to mark it as literal code. — Barmar
– Barmar, Commented Jul 31, 2015 at 16:41

thllbrg · Accepted Answer · 2015-07-31 17:12:09Z

1

Script tag need to be in the body tag
You need to get the value when you have entered it

Working plunk

<script>
    var btn = document.getElementById("button");

    btn.onclick = function(){
      var name = document.getElementById("fullname").value;
      alert(name);
    };
</script>

answered Jul 31, 2015 at 17:12

thllbrg

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