Untitled

<!DOCTYPE html>
<html>
<head>
    <script>
        function validateForm() {
        /*    let x = document.forms["myForm"]["fname"].value;
            if (x == "") {
              alert("Name must be filled out");
              return false;
            }*/
        
        let x=document.getElementsByTagName(input type="text")
        for(let i=0;i<x.length();i++)
        {
            if x[i]==""
            {
              alert("not filled");
              return false; 
            }
        }
          }
        
</script>
</head>
<body>
<form name="myForm" action="" onsubmit="return validateForm()" method="post">
Name: <input type="text" name="fname">
Age:<input type="text" name="age">

<input type="submit" value="Submit">
</form>
</body>
</html>
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