Why is document.getelementbyid used

Learn more. Why is document. Asked 7 years, 1 month ago. Active 5 years, 5 months ago. Viewed 6k times. Improve this question. Jez D 1, 1 1 gold badge 23 23 silver badges 49 49 bronze badges. When a lot of such elements are required in a web page it might not be a good idea to store everything.

Add a comment. Active Oldest Votes. Improve this answer. Crowder T. The Element node that represents the document element with the specified id attribute, or null if no such element is found. This method searches the document for an Element node with an id attribute whose value is elementId , and returns that Element. If no such Element is found, it returns null. This may be caused by an accidental early return statement React state doesn't get set when settings two states consecutively How to return the number of leg when multi-point created by style.

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Other Links. If you need to get access to an element which doesn't have an ID, you can use querySelector to find the element using any selector. The ID of the element to locate. The ID is case-sensitive string which is unique within the document; only one element may have any given ID. An Element object describing the DOM element object matching the specified ID, or null if no matching element was found in the document.