What is meant by innerHTML in JavaScript?

What is meant by innerHTML in JavaScript?

The innerHTML property is part of the Document Object Model (DOM) that allows Javascript code to manipulate a website being displayed. Specifically, it allows reading and replacing everything within a given DOM element (HTML tag).

How use innerHTML JavaScript?

To set the value of innerHTML property, you use this syntax: element. innerHTML = newHTML; The setting will replace the existing content of an element with the new content.

What is document getElementById () innerHTML?

The innerHTML property can be used to modify your document’s HTML on the fly. The innerHTML property can be used along with getElementById() within your JavaScript code to refer to an HTML element and change its contents.

What is the advantage of using innerHTML in JavaScript?

It allows JavaScript code to manipulate a website being displayed. More specifically, it sets or returns the HTML content (the inner HTML) of an element. The innerHTML property is widely used to modify the contents of a webpage as it is the easiest way of modifying DOM.

Why is innerHTML bad?

Use of innerHTML and string concatenation of HTML is bad practice because one often forgets to escape values properly. This leads to bugs that are not easily discovered while testing, such as the one that I had to fix today.

Why is innerHTML dangerous?

‘innerHTML’ Presents a Security Risk The use of innerHTML creates a potential security risk for your website. Malicious users can use cross-site scripting (XSS) to add malicious client-side scripts that steal private user information stored in session cookies. You can read the MDN documentation on innerHTML .

Is innerHTML a security risk?

There is potential for this to become an attack vector on a site, creating a potential security risk. Although this may look like a cross-site scripting attack, the result is harmless. HTML5 specifies that a