ConclusionĪccessing HTML DOM elements and making them interactive through JavaScript is the most basic yet an essential part of any Front-end Develoepr’s work. These methods do not work with the arrays returned by getElement methods. forEach() method on the arrays returned by the querySelectorAll(). We can perform different methods such as. How to get Elements in JavaScript from the DOM ?Ĭonst paragraphs = document. The following HTML file will be used for this example The JavaScript will be added within the tags which are specifically used to embed JavaScript code directly inside an HTML file. Note: The browser console is used for the demonstration of examples in this article. Now we will take a look at an example to better understand how the getElementById() method works. Even if there are multiple elements that have the same ID, the getElementById() method returns only one element (the first element with that ID in the HTML file). The value of the ID attributes are supposed to be unique and no two elements on a single HTML page should have similar IDs. One of the most common methods to access an element in HTML DOM is getElementById() which accesses an element based on the value of its ID attribute. Here we will discuss most of them in great detail: How to access a DOM element by its ID using JavaScript JavaScript offers a number of methods to access the HTML elements present in DOM.
JavaScript is used to add interactivity to a static HTML page but to add interactivity it needs to access the HTML elements present in the DOM.
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