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D3.js axis.scale() Function
  • Last Updated : 31 Jul, 2020

The d3.axis.scale() Function in D3.js is used to sets the scale and return the axis. If this function is not provided with a specified scale, returns the current scale.

Syntax:

axis.scale([scale])

Parameters: This function accepts only a single parameter as mentioned above and described below:

  • scale: This parameter is an optional parameter and it holds the used scale.

Return Value: This function returns the axis.

Below programs illustrate the d3.axis.scale() function in D3.js:



Example 1:

HTML




<!DOCTYPE html> 
<html
  
<head
    <title
        D3.js | d3.axisBottom() Function 
    </title
    <script type="text/javascript"
        src="https://d3js.org/d3.v4.min.js"
    </script
      
    <style
        svg text { 
            fill: green; 
            font: 15px sans-serif; 
            text-anchor: center; 
        
    </style
</head
  
<body
    <script
        var width = 400, height = 400; 
        var svg = d3.select("body") 
            .append("svg") 
            .attr("width", width) 
            .attr("height", height); 
  
        var xscale = d3.scaleLinear() 
            .domain([0, 10]) 
            .range([0, width - 60]); 
  
        var x_axis = d3.axisBottom().scale(xscale); 
  
        var xAxisTranslate = height / 2; 
  
        svg.append("g") 
            .attr("transform", "translate(50, " 
            + xAxisTranslate + ")") 
            .call(x_axis) 
    </script
</body
</html>

Output:

Example 2:

HTML




<!DOCTYPE html> 
<html
  
<head
    <title
        D3.js | d3.axisRight() Function 
    </title
    <script type="text/javascript"
        src="https://d3js.org/d3.v4.min.js"
    </script
      
    <style
        svg text { 
            fill: green; 
            font: 15px sans-serif; 
            text-anchor: start; 
        
    </style
</head
  
<body
    <script
        var width = 400, height = 400; 
        var svg = d3.select("body") 
            .append("svg") 
            .attr("width", width) 
            .attr("height", height); 
  
        var yscale = d3.scaleLinear() 
            .domain([0, 10]) 
            .range([height - 50, 0]); 
  
        var y_axis = d3.axisRight().scale(yscale); 
  
  
        svg.append("g") 
            .attr("transform", "translate(100,20)") 
            .call(y_axis) 
    </script
</body
</html>

Output:

full-stack-img

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