D3.js interpolateOranges()函数

d3.js 中的d3.interpolateOranges()函数是顺序配色方案的一部分。此函数用于返回与顺序配色方案中的颜色对应的 RGB字符串。

句法：

d3.inteprolateOranges(t);

参数：此函数接受如上所述和如下所述的单个参数：

• t：它是 0 到 1 范围内的任意数字。

返回值：它返回一个 RGB字符串。

下面的示例说明了 JavaScript 中的 D3.js interpolateOranges()函数：

示例 1：

HTML

    
        
        
        D3.js interpolateOranges() Function
    
    
    
        
        
        
        
        
        
        
        
        
        
            console.log(d3.interpolateOranges(0));
            console.log(d3.interpolateOranges(0.4));
            console.log(d3.interpolateOranges(0.2));
            console.log(d3.interpolateOranges(0.25));
            console.log(d3.interpolateOranges(0.54));
            console.log(d3.interpolateOranges(0.85));
            console.log(d3.interpolateOranges(2));
            console.log(d3.interpolateOranges(1));
        
    

输出：

示例 2：

HTML

    
        
        
        Document
    
    
        div {
            padding: 6px;
            text-align: center;
            vertical-align: middle;
            display: flex;
            justify-content: center;
            width: 90px;
            height: 50px;
            float: left;
        }
    
    
        D3.interpolateOranges()
        
            
                (0.1)
            
        
        
            
                (0.2)
            
        
        
            
                (0.3)
            
        
        
            
                (0.4)
            
        
        
            
                (0.5)
            
        
        
        
        
        
        
        
        
        
        
        
            // Creating different colors for different
            // Values of t as 0.1,0.2...
            let color1 = d3.interpolateOranges(0.1);
            let color2 = d3.interpolateOranges(0.2);
            let color3 = d3.interpolateOranges(0.3);
            let color4 = d3.interpolateOranges(0.4);
            let color5 = d3.interpolateOranges(0.5);
  
            // Selecting Div using query selector
            let box1 = document.querySelector(".box1");
            let box2 = document.querySelector(".box2");
            let box3 = document.querySelector(".box3");
            let box4 = document.querySelector(".box4");
            let box5 = document.querySelector(".box5");
  
            // Setting style and BG color of the particular DIVs
            box1.style.backgroundColor = color1;
            box2.style.backgroundColor = color2;
            box3.style.backgroundColor = color3;
            box4.style.backgroundColor = color4;
            box5.style.backgroundColor = color5;
        
    

输出：