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D3.js | d3.continuous.invert() Function

  • Last Updated : 30 Jul, 2019

The d3.continuous.invert() function in D3.js is used to return the corresponding value from the domain if a value from the range is given.

Syntax:

.invert( Value )

Parameters: This function accepts single parameter Value which holds the value of range.

Return Value: This function returns the corresponding value from the domain if a value from the range is given.

Below programs illustrate the d3.continuous.invert() function in D3.js:



Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        D3.js | d3.continuous.invert() Function
    </title>
      
    <script src = 
    </script>
</head>
  
<body>
    <script>
          
        // Calling scaleLinear() function
        var x = d3.scaleLinear().domain([10, 150])
                    .range([0, 1000]);
  
        // Calling the .invert() function
        // and getting the corresponding value
        // from domain if value from range is given
        console.log(x.invert(150)); 
        console.log(x.invert(999));
    </script>
</body>
  
</html>

Output:

31
149.86

Example 2:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        D3.js | d3.continuous.invert() Function
    </title>
      
    <script src = 
    </script>
</head>
  
<body>
    <script>
          
        // Calling scaleLinear() function
        var x = d3.scaleLinear().domain([0, 1])
                .range([10, 20]);
  
        // Calling the .invert() function
        // and getting the corresponding value
        // from domain if value from range is given
        console.log(x.invert(11)); 
        console.log(x.invert(13));
        console.log(x.invert(15)); 
        console.log(x.invert(19));
          
    </script>
</body>
</html>    

Output:

0.1
0.3
0.5
0.9

Reference: https://devdocs.io/d3~5/d3-scale#continuous_invert




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