Javascript Interview Questions
What is the Role of DOM (Document Object Model) in JavaScript?
The Document Object Model is referred to as a platform that permits a designer or developer to perform manipulation on a website. This includes content, style or structure modification. The DOM is an essential concept which is frequently asked in JavaScript Interview Questions as it plays a major role in web-technologies. In this blog, we are going to introduce DOM and its major characteristics.
Let’s proceed.
DOM is known as the document’s representation generated via the browser, which is probably responsible to access and modify the elements of a JavaScript. In other words, we can say that DOM acts as an edge which signifies how HTML/XML documents have been read by any specific browser. The model is incorporated with a tree of objects and elements definition. This representation tree has been created by the browser which also defines the element’s access. By DOM, elements and attributes can be easily added and deleted in a tree.
Features of DOM:
· Through DOM, the document’s logical structure can be easily defined. With that logical structure, the method of accessing a document can also be attained.
· In IT companies, DOM is implemented for data management.
· Developer utilizes the concept of DOM for document navigation including deletion, modification, addition, and content.
· This model can also be used in many computing applications that do not need object binding executions connected with IDLs.
· DOM permits platform and language independence. However, it is traversable.
Conclusion
With DOM, developers can create outstanding applications to perform modification of the websites without any requirement of a refreshing them. Moreover, customizable applications can be easily created. This implies that through DOM, one can delete, drag any elements of the website. Besides this concept, learn front-end language fundamentals, read Top 50 PHP Interview Questions, technical basics, and trending frameworks before attending any web-development interview.