The continuous.copy() function is used to create and return an exact copy of the given scale. Any change in the original scale will not affect the return scale and vice-versa.
Syntax:
continuous.copy();
Parameters: This function does not accept any parameters.
Return Value: This function returns a copy of original scale.
Below examples illustrate the continuous.copy() function in D3.js:
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> <script src= </script> <script src= </script> <script src= </script> </head> <body> <h2 style="color:green;">Geeks for neveropen</h2> <p>continuous.copy() Function </p> <script> var x = d3.scaleLinear() .domain([0, 1]) .range([1, 2, 3, 4, 5, 6]) var copy = x.copy(); document.write("</br>"); document.write("<p> This is from original: "); document.write("<h3>" + x(0.5144) + "</h3>"); document.write("<p> This is a copy of original: "); document.write("<h3>" + copy(0.5144) + "</h3>"); </script> </body> </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" path1tent="width=device-width, initial-scale=1.0" /> <title>Geeks for neveropen</title> </script> </script> <script src= </script> <script src= </script> </head> <body> <h2>Geeks for neveropen</h2> <p>continuous.copy() Function </p> <script> var x = d3.scaleLinear() .domain([0, 1]) .range([1, 2, 3, 4, 5, 6]) var copy = x.copy() .interpolate(d3.interpolateRound); document.write("</br>"); document.write("This is from original: "); document.write("<h3>" + x(0.5144) + "</h3>"); document.write("This is a copy of original: "); document.write("<h3>" + copy(0.5144) + "</h3>"); </script> </body> </html> |
Output:
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