🏆 ยอดนิยม: web//https://www.geeksforgeeks.org/jquery first selector

It is a jQuery Selector that is used to select the first element of the specified type.

Syntax:

$(":first")

Return Value: It selects and returns the first element.

Example-1:

<!DOCTYPE html> 
<html> 
<h1> 
  <center> 
    Geeks  
  </center> 
  </h1> 
  
<head> 
    <script src= 
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> 
  </script> 
    <script> 
        $(document).ready(function() { 
            $("p:first").css( 
              "background-color", "green"); 
        }); 
    </script> 
</head> 
  
<body> 
  
    <p>Geeks for Geeks</p> 
    <p>jQuery</p> 
    <p>First Selector</p> 
  
</body> 
  
</html> 

Output:

Example-2:

<!DOCTYPE html> 
<html> 
<h1> 
  <center> 
    Geeks  
  </center> 
  </h1> 
  
<head> 
    <script src= 
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> 
  </script> 
    
  <script> 
        $(document).ready(function() { 
            $("p:first").css( 
              "background-color", "green"); 
        }); 
    </script> 
</head> 
  
<body> 
    <div style="border:1px solid;"> 
        <p>Geeks for Geeks</p> 
        <p>jQuery</p> 
    </div> 
    <br> 
  
    <div style="border:1px solid;"> 
        <p>Geeks for Geeks</p> 
        <p>jQuery</p> 
        <p>First Selector</p> 
    </div> 
  
    <p>jQuery:First Selector</p> 
  
</body> 
  
</html> 

Output:

Note: Above code will select only the first <p> element of first div. To select the first <p> element of second div use :first-child selector.

My Personal Notes

Jul	AUG	Sep
	08
2019	2020	2021

jQuery | :first Selector

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