onfocus HTML Attribute
The "onfocus" attribute in HTML is an event attribute that can be added to an element, typically form elements such as ,
For example, in the following code snippet, the onfocus attribute is used to change the background color of an input field when it receives focus:
<input type="text" onfocus="this.style.backgroundColor='#f2f2f2'">
The onfocus attribute is typically used to perform actions when the user focuses on an input field or a form element. It can be used to display help text, change the styling of an element, or to perform other tasks in response to user interactions.
It's worth noting that the onfocus attribute is supported by most modern browsers, but not all, so it's important to check the browser compatibility before using it in your website. Also, it's worth noting that this attribute can be used on other elements such as
In summary, the "onfocus" attribute in HTML is an event attribute that can be added to an element, typically form elements such as ,