D3.js selection.remove() Function

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The selection.remove() function is used to remove the selected elements from the document and return a new selection with the removed elements. Also, new selection are now detached from the DOM

Syntax:

selection.remove();

Parameters: This function does not accept any parameters.

Return Values: This function returns a new selection.

Example 1:

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8"> 
    <meta name="viewport" path1tent= 
        "width=device-width, initial-scale=1.0"> 
  
    <script src="https://d3js.org/d3.v4.min.js"> 
    </script> 
      
    <style> 
        h1 { 
            color: green; 
        } 
  
        div { 
            width: 300px; 
            color: #ffffff; 
            height: 50px; 
            background-color: green; 
            margin: 10px; 
        } 
    </style> 
  
<body> 
    <h1>zambiatek</h1> 
  
    <h4>D3.js selection.remove() Function</h4> 
  
    <p>The divs will be removed.</p> 
  
    <div><span>1. This div will be removed.</span></div> 
    <div><span>2. This div will be removed.</span></div> 
  
    <button>Click Here!</button> 
  
    <script> 
        function func() { 
            // Selecting  div and 
            // Removing the div 
            var div = d3.selectAll("div") 
                .remove(); 
        } 
        btn = document.querySelector("button"); 
        btn.addEventListener("click", func); 
  
    </script> 
</body> 
  
</html> 

Output:

Before clicking the “Click Here!” element:

After clicking the “Click Here!” element:

Example 2:

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8"> 
    <meta name="viewport" path1tent= 
        "width=device-width, initial-scale=1.0"> 
  
    <script src="https://d3js.org/d3.v4.min.js"> 
    </script> 
  
    <style> 
        h1 { 
            color: green; 
        } 
  
        div { 
            width: 300px; 
            color: #ffffff; 
            height: 50px; 
            background-color: green; 
            margin: 10px; 
        } 
    </style> 
  
<body> 
    <h1>Geeks for zambiatek</h1> 
  
    <h4>D3.js selection.remove() Function</h4> 
  
    <p>The <span> from div will be removed.</p> 
  
    <div><span>1. This text will be removed.</span></div> 
    <div><span>2. This div will not be removed.</span></div> 
  
    <button>Click Here!</button> 
  
    <script> 
        function func() { 
            // Selecting  div and 
            // The text inside the div will be removed. 
            var div = d3.select("span") 
                .remove(); 
        } 
        btn = document.querySelector("button"); 
        btn.addEventListener("click", func); 
    </script> 
</body> 
  
</html> 