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<
div
>
<
pre
>
<
input
type=
"text"
id=
"nameInput"
placeholder=
"Enter Your Name"
>
<
script
>
document.getElementById(
'nameInput'
).addEventListener(
'focus'
,
function
(
event
) {
event.target.style.backgroundColor =
'lightblue'
;
});
</
script
>
</
pre
>
</
div
>
<div> <pre> <input type="text" id="nameInput" placeholder="Enter Your Name"> <script> document.getElementById('nameInput').addEventListener('focus', function(event) { event.target.style.backgroundColor = 'lightblue'; }); </script> </pre> </div>