Do DOM tree elements with ids become global variables?

Do DOM tree elements with ids become global variables?

javascript dom global-variables getelementbyid identifier

javascript

Getting the parent div of element

javascript html getelementbyid

javascript

Get element inside element by class and ID - JavaScript

javascript getelementbyid getelementsbyclassname

javascript

Cannot read property 'addEventListener' of null

javascript function getelementbyid addeventlistener

javascript

Selecting an element in iframe with jQuery

javascript iframe getelementbyid

javascript

Javascript getElementById based on a partial string

javascript getelementbyid

javascript

How to getElementByClass instead of GetElementById with JavaScript?

javascript class toggle getelementbyid getelementsbyclassname

javascript

How to pick element inside iframe using document.getElementById

javascript html iframe getelementbyid frameset

javascript

Javascript Append Child AFTER Element

javascript getelementbyid appendchild createelement

javascript

Why don't we just use element IDs as identifiers in JavaScript?

javascript dom getelementbyid

javascript

getElementById() returns null even though the element exists [duplicate]

javascript html null getelementbyid

javascript

document.all vs. document.getElementById

javascript getelementbyid

javascript

getElementById returns null? [closed]

javascript getelementbyid

javascript

document.getElementByID is not a function

javascript jquery getelementbyid

javascript

Getting element by a custom attribute using JavaScript

javascript getelementbyid

javascript