Null error by document.getElementById on HTML

41 Views Asked by Coder At 24 December 2023 at 11:39

<body>
  <script lang="javascript">
    function myFunction() {
      var name = "";
      var password = "";
      name = document.getElementById('name');
      password = document.getElementById('password');
      alert(name)
      alert(password)
    }
  </script>
  <h1 id="Center">Log in</h1>
  <input type="text" id="Center" id="name" style="background-color: rgb(255, 255, 255); border-radius: 0px;">
  <input type="text" id="Center" id="password" style="background-color: rgb(255, 255, 255); border-radius: 0px;">
  <input type="button" id="Center" style="width: 170px;" onclick="myFunction()" value="Submit">
</body>

I want to make the input text to alert and I get data of text using a document.getElementById and there has two texts and one button and id center is the code that the object can go to the center place on the screen.

I tried to make it string or write one more time and there has no ways to be good.

Original Q&A

There are 1 best solutions below

Shivani Jaiswal On 24 December 2023 at 11:59 BEST ANSWER

Try like this:

<!DOCTYPE html>
<html>

<head>
  <style>
    #Center {
      display: block;
      margin: auto;
    }
  </style>
</head>

<body>
  <script lang="javascript">
    function myFunction() {
      var name = "";
      var password = "";
      name = document.getElementById('name').value;
      password = document.getElementById('password').value;
      alert("Name: " + name + "\nPassword: " + password);
    }
  </script>

  <h1 id="Center">Log in</h1>
  <input type="text" id="name" style="background-color: rgb(255, 255, 255); border-radius: 0px;" placeholder="Enter your name">
  <input type="password" id="password" style="background-color: rgb(255, 255, 255); border-radius: 0px;" placeholder="Enter your password">
  <input type="button" id="Center" style="width: 170px;" onclick="myFunction()" value="Submit">
</body>

</html>

Null error by document.getElementById on HTML

There are 1 best solutions below

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