How to check an element has certain CSS style using jQuery ?

Last Updated : 16 Oct, 2019

Given an HTML document containing some CSS property and the task is to check whether an element has a specific CSS style or not with the help of jQuery. Approach 1: Use css() method to check an element contains certain CSS styles or not. Example: This example uses css() method to check an element contains certain CSS style or not.

html

<!DOCTYPE HTML>  
<html>  

<head> 
    <title> 
       How to check an element has certain
       CSS style using jQuery ?
    </title>
    
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
    </script>
</head>

<body style = "text-align:center;">  
    
    <h1 style="color:green">
        GeeksForGeeks  
    </h1>
    
    <p id = "GFG_UP" style = 
        "font-size: 15px; font-weight: bold;">
    </p>
    
    <button onclick = "GFG_Fun()">
        click here
    </button>
    
    <p id = "GFG_DOWN" style =
        "color:green; font-size: 20px; font-weight: bold;">
    </p>
    
    <script> 
        var up = document.getElementById('GFG_UP');
        var down = document.getElementById('GFG_DOWN');
        var n = 1/0;
        
        up.innerHTML = "Click on the button to check"
                + " if H1 has style, color = green.";
        
        function GFG_Fun() {
            if ($("#h1").css("color") == "rgb(0, 128, 0)") {
                down.innerHTML = "H1 has CSS style, color: green";
            } else {    
                down.innerHTML = "H1 has not CSS style, color: green";
            }
        }
    </script> 
</body>  

</html>

Output:

Before clicking on the button:
After clicking on the button:

Approach 2: Use hasClass() method to check an element contains certain CSS styles or not. Example: This example uses hasClass() method to check an element contains certain CSS style or not.

html

<!DOCTYPE HTML>  
<html>  

<head> 
    <title> 
        How to check an element has certain
        CSS style using jQuery ?
    </title>
    
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
    </script>
</head>

<body style = "text-align:center;">  
    
    <h1 style="color:green;">  
        GeeksForGeeks
    </h1>
    
    <p id = "GFG_UP" style = 
        "font-size: 15px; font-weight: bold;">
    </p>
    
    <button onclick = "GFG_Fun()">
        click here
    </button>
    
    <p id = "GFG_DOWN" class = "color" style =
        "font-size: 20px; font-weight: bold;">
    </p>
    
    <script> 
        var up = document.getElementById('GFG_UP');
        var down = document.getElementById('GFG_DOWN');
        var n = 1/0;
        
        up.innerHTML = "Click on the button to check if"
                + " P[id = GFG_DOWN] has style, color ="
                + " green using class.";
        
        function GFG_Fun() {
            if ($("#GFG_DOWN").hasClass('color')) {
                down.innerHTML = 
                "P[id = GFG_DOWN] has CSS style, color: green";
            } else {    
                down.innerHTML = 
                "P[id = GFG_DOWN] has not CSS style, color: green";
            }
        }
    </script> 
</body>  

</html>