javaScript получить элемент от id
var element = document.getElementById("YourElementId");
Batman
var element = document.getElementById("YourElementId");document.getElementById("someid");document.getElementById("some_id");var myElement=document.getElementById("someElementID");function myFunc(variable){
var s= document.getElementById(variable);
s.value = 'New value'
}<p id="YourId">How to use document.GetElementById in HTML</p>
<script>
document.GetElementById('YourId')./* The thing you need to do to your code... Here I want .innerHTML you can take any... */.innerHTML('/* what will it change... */')
</script>