Javascript get input value by id

Javascript get text input value

var inputValue = document.getElementById("myTextInputID").value;

Get value from textbox in vanilla javascript

document.getElementById("myText").value = "Johnny Bravo";

Value from getelementbyid

document.getElementById('numbers').value

Javascript get input value by id

<!--
This is example is with a number...
But you can do it with whatever input type you want
-->
<input type="number" name="numberInput" id="numberInput" max="20" min="1" step="1">
<button type="button" onclick="myFunction()">sumbit</button>

<script>
  function myFunction() {
    let tokenAmount = document.getElementById("numberInput").value;
    return // whatever you want to do with it
  }
</script>

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