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Execute a script when the element gets focus in HTML?
Use the onfocus attribute to execute a script when the element gets focus in HTML.
Example
You can try to run the following code to implement the onfocus attribute −
<!DOCTYPE html> <html> <body> <p>Enter subject name below,</p> Subject: <input type = "text" id = "sname" onfocus = "display(this.id)"> <br> <script> function display(val) { document.getElementById(val).style.background = "blue"; } </script> </body> </html>
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