D3.js pow.tickFormat() Function Last Updated : 23 Aug, 2020 Comments Improve Suggest changes Like Article Like Report The pow.tickFormat() function is used to change the format of the tick values. It returns a number format function that is suitable for displaying a tick value. Syntax: pow.tickFormat( count, specifier ) Parameters: This function accepts two parameters as mentioned above and described below. count: It is the number of tick values to be used. It is an optional parameter.specifier: It is a string which specifies the format to be used. It is an optional parameter. Return Values: This function does not return anything. The program below illustrates the pow.tickFormat() function in D3.js: Example 1: html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>GeeksforGeeks</title> <script src= "https://d3js.org/d3.v4.min.js"> </script> <script src= "https://d3js.org/d3-color.v1.min.js"> </script> <script src= "https://d3js.org/d3-interpolate.v1.min.js"> </script> <script src= "https://d3js.org/d3-scale-chromatic.v1.min.js"> </script> </head> <body> <h2 style="color: green">GeeksforGeeks</h2> <p>pow.tickFormat() Function </p> <script> var x = d3.scalePow() .domain([0, 1]) .range([1, 2, 3, 4, 5, 6]) .exponent(0.5); var ticks = x.ticks(5) var tickFormat = x.tickFormat(100000, " %"); document.write("<h3>" + ticks.map(tickFormat) + "</h3>"); </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" /> <title>GeeksforGeeks</title> <script src= "https://d3js.org/d3.v4.min.js"> </script> <script src= "https://d3js.org/d3-color.v1.min.js"> </script> <script src= "https://d3js.org/d3-interpolate.v1.min.js"> </script> <script src= "https://d3js.org/d3-scale-chromatic.v1.min.js"> </script> </head> <body> <h2 style="color: green">GeeksforGeeks</h2> <p>pow.tickFormat() Function </p> <script> var x = d3.scalePow() .domain([1, 10]) .range([10, 20, 30, 40, 50, 60]) .exponent(2); var ticks = x.ticks(5) var tickFormat = x.tickFormat(10, " $"); document.write("<h3>" + ticks.map(tickFormat) + "</h3>"); </script> </body> </html> Output: Comment More infoAdvertise with us T tarun007 Follow Improve Article Tags : JavaScript Web Technologies D3.js Explore JavaScript Tutorial 8 min read JavaScript BasicsIntroduction to JavaScript 4 min read JavaScript Versions 2 min read How to Add JavaScript in HTML Document? 3 min read JavaScript Syntax 6 min read JavaScript Output 4 min read JavaScript Comments 2 min read JS Variables & DatatypesVariables and Datatypes in JavaScript 6 min read Global and Local variables in JavaScript 4 min read JavaScript Let 6 min read JavaScript const 5 min read JavaScript Var Statement 7 min read JS OperatorsJavaScript Operators 5 min read Operator precedence in JavaScript 2 min read JavaScript Arithmetic Operators 5 min read JavaScript Assignment Operators 5 min read JavaScript Comparison Operators 5 min read JavaScript Logical Operators 5 min read JavaScript Bitwise Operators 5 min read JavaScript Ternary Operator 4 min read JavaScript Comma Operator 2 min read JavaScript Unary Operators 4 min read JavaScript in and instanceof operators 3 min read JavaScript String Operators 3 min read JS StatementsJavaScript Statements 4 min read JavaScript if-else 3 min read JavaScript switch Statement 4 min read JavaScript Break Statement 2 min read JavaScript Continue Statement 1 min read JavaScript Return Statement 4 min read JS LoopsJavaScript Loops 3 min read JavaScript For Loop 4 min read JavaScript While Loop 3 min read JavaScript For In Loop 3 min read JavaScript for...of Loop 3 min read JavaScript do...while Loop 4 min read JS Perfomance & DebuggingJavaScript | Performance 4 min read Debugging in JavaScript 4 min read JavaScript Errors Throw and Try to Catch 2 min read JS ObjectObjects in Javascript 4 min read Object Oriented Programming in JavaScript 3 min read JavaScript Objects 6 min read Creating objects in JavaScript 5 min read JavaScript JSON Objects 3 min read JavaScript Object Reference 4 min read JS FunctionFunctions in JavaScript 4 min read How to write a function in JavaScript ? 4 min read JavaScript Function Call 2 min read Different ways of writing functions in JavaScript 3 min read Difference between Methods and Functions in JavaScript 3 min read Explain the Different Function States in JavaScript 3 min read JavaScript Function Complete Reference 3 min read JS ArrayJavaScript Arrays 7 min read JavaScript Array Methods 7 min read Best-Known JavaScript Array Methods 6 min read Important Array Methods of JavaScript 7 min read JavaScript Array Reference 4 min read Like