jQuery focus() is an inbuilt method that is used to focus on an element. The element gets focused by the mouse click or by the tab-navigating button.
Syntax:
$(selector).focus(function)Here selector is the selected element.
Parameter: It accepts an optional parameter in the form of a callback function which will be called once the focus event occurs.
Example 1: The below example explains the focus() method with a callback function passed to it.
HTML
<!DOCTYPE html><html>
<head>
<style>
span {
display: none;
}
body {
width: 35%;
height: 50px;
border: 2px solid green;
padding: 35px;
margin: 10px;
}
</style>
<script src=
</script>
</head>
<body>
<!-- this paragraph element get focused -->
<p>
<input type="text"> <span>focused</span>
</p>
<!-- jQuery code to show working of this method -->
<script>
$("input").focus(function () {
$(this).next("span").css(
"display", "inline");
});
</script>
</body>
</html>
|
Output:
Example 2: In the below example, the focus() method is invoked without any parameters.
HTML
<!DOCTYPE html><html>
<head>
<style>
span {
display: none;
}
body {
width: 30%;
height: 50px;
border: 2px solid green;
padding: 35px;
margin: 10px;
}
</style>
<script src=
</script>
</head>
<body>
<!-- this paragraph element get focused -->
<p>
<input type="text"> <span>focused</span>
</p>
<!-- jQuery code to show working of this method -->
<script>
$("input").focus();
</script>
</body>
</html>
|
Output: