D3.js arc.startAngle() Function
The arc.endAngle() function in d3.js library is used to set the start angle of the arc. This function sets the start angle to a function or to an integer.
Syntax:
arc.startAngle([angle]);
Parameters: This function accepts a single parameter as mentioned above and described below.
- angle: This takes a number that corresponds to the start angle of the arc.
Return Values: This function does not return anything.
Below given are a few examples of the function given above.
Example 1:
HTML
<!DOCTYPE html> <html lang="en">   <head>     <meta charset="UTF-8" />     <meta name="viewport" content=         "width=device-width, initial-scale=1.0" />       <!--Fetching from CDN of D3.js -->    <script src=     </script> </head>   <body>     <div style="width:300px; height:300px;">         <center>             <h1 style="color:green">                 zambiatek             </h1>             <h2>                 arc.startAngle()             </h2>         </center>         <svg width="300" height="300">         </svg>     </div>           <script>         var svg = d3.select("svg")             .append("g")             .attr("transform", "translate(150, 100)");           // An arc will be produced         var arc = d3.arc()             .outerRadius(20)             .innerRadius(90)             // Use of arc.startAngle() Function             .startAngle(3)             .endAngle(2 * 2.5);           svg.append("path")             .attr("class", "arc")             .attr("d", arc);           let p = document.querySelector(".arc");         p.style.fill = "green";     </script> </body>   </html> |
Output:
Example 2:
HTML
<!DOCTYPE html> <html lang="en">   <head>     <meta charset="UTF-8" />     <meta name="viewport" content=         "width=device-width, initial-scale=1.0" />       <!--Fetching from CDN of D3.js -->    <script src=     </script> </head>   <body>     <div style="width:300px; height:300px;">         <center>             <h1 style="color:green">                 zambiatek             </h1>             <h2>                 arc.startAngle()             </h2>         </center>         <svg width="300" height="300">         </svg>     </div>           <script>         var svg = d3.select("svg")             .append("g")             .attr("transform", "translate(150, 100)");           // An arc will be produced         var arc = d3.arc()             .outerRadius(20)             .innerRadius(90)             // Use of arc.startAngle() Function             .startAngle(5)             .endAngle(0.5);           svg.append("path")             .attr("class", "arc")             .attr("d", arc);           let p = document.querySelector(".arc");         p.style.fill = "green";     </script> </body>   </html> |
Output:
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