Answered by : code-grepper

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

Source : | Last Update : Fri, 02 Aug 19

Answered by : tamer-jarrar

document.getElementById("ID").value = "Tamer Jarrar"; 

Source : | Last Update : Sun, 18 Apr 21

Answered by : aamirsohailkmas

<input type="text" value="" onchange="updateInput(this.value)" />
<script>
function updateInput(ish){ document.getElementById("fieldname").value = ish;
}
</script>

Source : https://stackoverflow.com/questions/5457739/change-value-of-input-onchange | Last Update : Wed, 09 Mar 22

Answered by : deuxalpha

function updateInput(ish){ document.getElementById("fieldname").value = ish;
}

Source : https://stackoverflow.com/questions/5457739/change-value-of-input-onchange | Last Update : Fri, 24 Jan 20