The first() is an inbuilt function in jQuery which is used to select the first element from the specified elements.
Syntax:
$(selector).first()
Here selector is the main class of all the elements.
Parameters: It does not accept any parameter.
Return value: It returns the first element out of the selected elements.
jQuery code to show the working of this function:
Code #1:
html
<html>
<head>
jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$("div").first().css("background-color",
"lightgreen");
});
</script>
</head>
<body>
<h1>Welcome to GeeksforGeeks !!!</h1>
<div style="border: 1px solid green;">
<p>This is the first statement.</p>
</div>
<br>
<div style="border: 1px solid green;">
<p>This is the second statement.</p>
</div>
<br>
<div style="border: 1px solid green;">
<p>This is the third statement.</p>
</div>
<br>
</body>
</html>
|
In the above code, the background-color of the first “div” element get changed.
Output:
Here, you can also choose by selecting “id” or “class” of the selected element.
Code #2:
html
<html>
<head>
jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$(".main").first().css("background-color",
"lightgreen");
});
</script>
</head>
<body>
<h1>Welcome to GeeksforGeeks !!!</h1>
<div style="border: 1px solid green;">
<p>This is the first statement.</p>
</div>
<br>
<div class="main" style="border: 1px solid green;">
<p>This is second statement.</p>
</div>
<br>
<div class="main" style="border: 1px solid green;">
<p>This is the third statement.</p>
</div>
<br>
</body>
</html>
|
In the above code the elements with first “main” class get highlighted.
Output:
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Last Updated :
04 Jul, 2023
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