D3.js axis.tickSizeOuter() Function

Last Updated : 13 Aug, 2020

The d3.axis.tickSizeOuter() Function in D3.js is used to set the outer tick size to the specified value and returns the axis. The outer tick size controls the length of the square ends of the domain path, offset from the native position of the axis.

Syntax:

axis.tickSizeOuter([size])

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

size: This parameter is size to set the inner and outer tick size.

Return Value: This function returns the axis.

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

Example 1:

HTML

<!DOCTYPE html>  
<html>  
    
<head>  
    <title>  
        D3.js | D3.axis.tickSizeOuter() 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).tickSizeOuter([40]).tickSizeInner([0]); 
    
        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.axis.tickSizeOuter() 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: end;  
        }  
    </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, 1])  
            .range([height - 50, 0]);  
     
        var y_axis = d3.axisRight()  
            .scale(yscale).tickSizeOuter([20]); 
     
        svg.append("g")  
            .attr("transform", "translate(100,20)")  
            .call(y_axis)   
    </script>  
</body>  
</html>