D3.js interpolateYlOrBr()函数

d3.js 中的d3.interpolateYlOrBr()函数用于返回与“YlOrBr”的 Sequential 颜色方案相对应的 RGB 颜色字符串。

句法：

d3.interpolateYlOrBr(t);

参数：此函数接受如上所述和如下所述的单个参数：

• t：它是一个数值，范围在[0,1]。

返回值：此函数返回字符串RGB 颜色。

以下示例说明了 JavaScript 中的 D3.js interpolateYlOrBr()函数：

示例 1：

HTML

    
        
        
        D3.js interpolateYlOrBr() Function
    
    
    
        
        
        
        
        
        
        
        
        
        
            console.log(d3.interpolateYlOrBr(1.4));
            console.log(d3.interpolateYlOrBr(0.24));
            console.log(d3.interpolateYlOrBr(0.12));
            console.log(d3.interpolateYlOrBr(0.35));
            console.log(d3.interpolateYlOrBr(0.44));
            console.log(d3.interpolateYlOrBr(0.95));
            console.log(d3.interpolateYlOrBr(0.84));
            console.log(d3.interpolateYlOrBr(1));
        
    

输出：

示例 2：

HTML

    
        
        
        D3.js interpolateYlOrBr() Function
    
    
        div {
            padding: 6px;
            text-align: center;
            vertical-align: middle;
            display: flex;
            justify-content: center;
            width: 90px;
            height: 50px;
            float: left;
        }
    
    
        D3.interpolateYlOrBr()
        
             
        
        
             
        
        
             
        
        
             
        
        
             
        
        
        
        
        
        
        
        
        
        
        
            // Creating different colors for different
            // Values of t is 0.4
            let color1 = d3.interpolateYlOrBr(0.4);
            // Values of t is 0.5
            let color2 = d3.interpolateYlOrBr(0.5);
            // Values of t is 0.245
            let color3 = d3.interpolateYlOrBr(0.245);
            // Values of t is 0.641
            let color4 = d3.interpolateYlOrBr(0.641);
            // Values of t is 1.245
            let color5 = d3.interpolateYlOrBr(1.245);
  
            // 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：