How to take screenshot of a div using JavaScript ?

A screenshot of any element in JavaScript can be taken using the html2canvas library. This library can be downloaded from its official website. The below steps show the method to take a screenshot of a <div> element using JavaScript.

Step 1: Create a blank HTML document.
Step 2: Include the html2canvas library code by either using the downloaded file or using a link to a CDN version.

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<!DOCTYPE html>
<html>
<head>
  <title>
    How to take screenshot of
    a div using JavaScript?
  </title>
  
  <!-- Include from the CDN -->
  <script src=
"https://cdn.jsdelivr.net/npm/html2canvas@1.0.0-rc.5/dist/html2canvas.min.js">
  </script>
  
  <!-- Include locally otherwise -->
  <!-- <script src='html2canvas.js'></script> -->
</head>
<body>
    
</body>
</html>

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Step 3: Create a <div> that has to be captured in the screenshot and give it an id so that it can be used later.




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<!DOCTYPE html> 


<html> 


  


<head> 


    <title> 


        How to take screenshot of 


        a div using JavaScript? 


    </title> 


  


    <!-- Include from the CDN -->


    <script src= 


"https://cdn.jsdelivr.net/npm/html2canvas@1.0.0-rc.5/dist/html2canvas.min.js"> 


    </script> 


  


    <!-- Include locally otherwise -->


    <!-- <script src='html2canvas.js'></script> -->


    <style> 


        #photo { 


            border: 4px solid green; 


            padding: 4px; 


        } 


    </style> 


</head> 


  


<body> 


    <div id="photo"> 


        <h1>GeeksforGeeks</h1> 


        Hello everyone! This is a 


        trial page for taking a 


        screenshot. 


        <br><br> 


        This is a dummy button! 


        <button> Dummy</button> 


        <br><br> 


        Click the button below to 


        take a screenshot of the div. 


        <br><br> 


    </div> 


    <h1>Screenshot:</h1> 


    <div id="output"></div> 


</body> 


  


</html> 



















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Step 4: Create a button inside <div> element and use an “onclick” handler for the button.






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<!DOCTYPE html> 


<html> 


  


<head> 


    <title> 


        How to take screenshot of 


        a div using JavaScript? 


    </title> 


  


    <!-- Include from the CDN -->


    <script src= 


"https://cdn.jsdelivr.net/npm/html2canvas@1.0.0-rc.5/dist/html2canvas.min.js"> 


    </script> 


  


    <!-- Include locally otherwise -->


    <!-- <script src='html2canvas.js'></script> -->


  


    <style> 


        #photo { 


            border: 4px solid green; 


            padding: 4px; 


        } 


    </style> 


</head> 


  


<body> 


    <div id="photo"> 


        <h1>GeeksforGeeks</h1> 


        Hello everyone! This is a 


        trial page for taking a 


        screenshot. 


        <br><br> 


        This is a dummy button! 


        <button> Dummy</button> 


        <br><br> 


        Click the button below to 


        take a screenshot of the div. 


        <br><br> 


  


        <!-- Define the button  


        that will be used to  


        take the screenshot -->


        <button onclick="takeshot()"> 


            Take Screenshot 


        </button> 


    </div> 


    <h1>Screenshot:</h1> 


    <div id="output"></div> 


</body> 


  


</html> 



















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Step 5: The function to take the screenshot is defined inside the <script> tag. This function will use the html2canvas library to take the screenshot and append it to the body of the page.






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<!DOCTYPE html> 


<html> 


  


<head> 


    <title> 


        How to take screenshot of 


        a div using JavaScript? 


    </title> 


  


    <!-- Include from the CDN -->


    <script src= 


"https://cdn.jsdelivr.net/npm/html2canvas@1.0.0-rc.5/dist/html2canvas.min.js"> 


    </script> 


  


    <!-- Include locally otherwise -->


    <!-- <script src='html2canvas.js'></script> -->


  


    <style> 


        #photo { 


            border: 4px solid green; 


            padding: 4px; 


        } 


    </style> 


</head> 


  


<body> 


    <div id="photo"> 


        <h1>GeeksforGeeks</h1> 


        Hello everyone! This is a 


        trial page for taking a 


        screenshot. 


        <br><br> 


        This is a dummy button! 


        <button> Dummy</button> 


        <br><br> 


        Click the button below to 


        take a screenshot of the div. 


        <br><br> 


  


        <!-- Define the button  


        that will be used to  


        take the screenshot -->


        <button onclick="takeshot()"> 


            Take Screenshot 


        </button> 


    </div> 


    <h1>Screenshot:</h1> 


    <div id="output"></div> 


  


    <script type="text/javascript"> 


  


        // Define the function  


        // to screenshot the div 


        function takeshot() { 


            let div = 


                document.getElementById('photo'); 


  


            // Use the html2canvas 


            // function to take a screenshot 


            // and append it 


            // to the output div 


            html2canvas(div).then( 


                function (canvas) { 


                    document 


                    .getElementById('output') 


                    .appendChild(canvas); 


                }) 


        } 


    </script> 


</body> 


  


</html> 



















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The screenshot can be saved by right-clicking on it and saving it as an image, as shown below.


Output:


Image


full-stack-img





    

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