D3.js band.bandwidth()函数

d3.js 中的band.bandwidth()函数用于查找每个波段的宽度。

句法：

band.bandwidth()

参数：此函数不接受任何参数。

返回值：此函数返回每个波段的宽度。

示例 1：

HTML

 

    
    
    
    

   

    
        // Creating the band scale with
        // specified domain and range.
        var A = d3.scaleBand()
                    .domain([10, 20, 30, 40, 50])
                    .range([0, 10]);
     
        // Applying bandwidth() Function
        let gfg = A.bandwidth();
 
        // Printing the Output 
        console.log("Bandwidth Of A: ",gfg);
         
    

 

输出：

Bandwidth Of A:  2

示例 2：

HTML

 

    
    
    
    

 

    
        // Creating the band scale with
        // specified domain and range.
        var B = d3.scaleBand()
                    .domain(["one", "two", "three", "four"])
                    .range([0, 60]);
     
        // Applying bandwidth() Function
        let gfg = B.bandwidth();
 
        // Printing the Output 
        console.log("Bandwidth Of each band in B: ",gfg);
    

 

输出：

Bandwidth Of each band in B:  15