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Editorial Team
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Asked: 2026-06-08T18:18:44+00:00

I get the following error uncaught typeerror : object is not a function in

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I get the following error

uncaught typeerror : object is not a function

in the code below. 

<html>
<head>
<title>Reverse</title>
</head>
<body>
<form name="rev1">
Enter the string : <input type="text" name="str">
<input type="button" value="click" onclick="rev1()" />

And this is the place where I found the error:

reverse of given string : <input type="text" name="res">
</form>
<script type="text/JavaScript">
function rev1(){
//var a=rev1.str.value;
//document.write("hello");
alert("hello");
}
</script>
</body>
</html>

What might cause this and how do I solve it?

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1 Answer

  1. Editorial Team

    Rename the form, or remove it altogether. rev1 references the form element in your given script.

    Demos: Original – Working
    (click in the button to call the function directly)

    Edit: I’ve seen this matter raise many discussions, so I’ll leave some references as well:

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