D3.js scaleLog() Function Last Updated : 23 Aug, 2020 Comments Improve Suggest changes Like Article Like Report The d3.scaleLog() function is used to create a new continuous scale with the user-defined domain and range, the default base is 10. clamping is disabled by default in this scale. Syntax: d3.scaleLog([[domain, ]range]) Parameters: This function accepts two parameters as mentioned above and described below. domain: This parameter always accepts two or more than two numbers. Default value is [1, 10].range: This parameter accepts a number or a string array. It's default value is [0, 1]. Return Value: This function returns the newly created continuous scale. 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" path1tent= "width=device-width, initial-scale=1.0" /> <script src="https://d3js.org/d3.v4.min.js"> </script> </head> <body> <script> var log = d3.scaleLog() .domain([1, 10]) .range([10, 20, 30, 40, 50, 60]); console.log(log(1)); console.log(log(2)); console.log(log(3)); console.log(log(4)); </script> </body> </html> Output: Example 2: html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" path1tent= "width=device-width, initial-scale=1.0" /> <script src="https://d3js.org/d3.v4.min.js"> </script> </head> <body> <script> var log = d3.scaleLog() .domain([-1, 1]) .range([10, 20, 30, 40, 50, 60]); // Returns NaN as Domain cant be less than one console.log("Domain in log scale cannot" + " be less than one : ", log(1)); var log = d3.scaleLog() .domain([10, 100]) .range(["red", "green", "blue", "white"]); console.log("log(1): ", log(1)); console.log("log(1.5): ", log(1.5)); </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