BEST SITE FOR WEB DEVELOPERS

JS Tutorial

JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators JS Arithmetic JS Assignment JS Data Types JS Functions JS Objects JS Events JS Strings JS String Methods JS String Search JS String Templates JS Numbers JS Number Methods JS Arrays JS Array Methods JS Array Sort JS Array Iteration JS Array Const JS Dates JS Date Formats JS Date Get Methods JS Date Set Methods JS Math JS Random JS Booleans JS Comparisons JS If Else JS Switch JS Loop For JS Loop For In JS Loop For Of JS Loop While JS Break JS Iterables JS Sets JS Maps JS Typeof JS Type Conversion JS Bitwise JS RegExp JS Errors JS Scope JS Hoisting JS Strict Mode JS this Keyword JS Arrow Function JS Classes JS Modules JS JSON JS Debugging JS Style Guide JS Best Practices JS Mistakes JS Performance JS Reserved Words

JS Versions

JS Versions JS 2009 (ES5) JS 2015 (ES6) JS 2016 JS 2017 JS 2018 JS IE / Edge JS History

JS Objects

Object Definitions Object Properties Object Methods Object Display Object Accessors Object Constructors Object Prototypes Object Iterables Object Sets Object Maps Object Reference

JS Functions

Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures

JS Classes

Class Intro Class Inheritance Class Static

JS Async

JS Callbacks JS Asynchronous JS Promises JS Async/Await

JS HTML DOM

DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists

JS Browser BOM

JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies

JS Web APIs

Web API Intro Web Forms API Web History API Web Storage API Web Worker API Web Fetch API Web Geolocation API

JS AJAX

AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples

JS JSON

JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP

JS vs jQuery

jQuery Selectors jQuery HTML jQuery CSS jQuery DOM

JS Graphics

JS Graphics JS Canvas JS Plotly JS Chart.js JS Google Chart JS D3.js

JS Examples

JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Certificate

JS References

JavaScript Objects HTML DOM Objects

JavaScript. W3Schools in English. Lessons for beginners

Ua

Plotly.js


Plotly.js is a charting library that comes with over 40 chart types, 3D charts, statistical graphs, and SVG maps.


The official site of the library Plotly.js: https://plotly.com/javascript/.

plotly.js CDN

You can also use the ultrafast plotly.js CDN link. This CDN is graciously provided by the incredible team at Fastly.

Insert between <head> and </head>

<script src="https://cdn.plot.ly/plotly-2.17.1.min.js"></script>

Scatter Plots

Source Code

var xArray = [50,60,70,80,90,100,110,120,130,140,150];
var yArray = [7,8,8,9,9,9,10,11,14,14,15];

// Define Data
var data = [{
  x: xArray,
  y: yArray,
  mode:"markers",
  type:"scatter"
}];

// Define Layout
var layout = {
  xaxis: {range: [40, 160], title: "Square Meters"},
  yaxis: {range: [5, 16], title: "Price in Millions"},
  title: "House Prices vs. Size"
};

Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Line Graphs

Source Code

var xArray = [50,60,70,80,90,100,110,120,130,140,150];
var yArray = [7,8,8,9,9,9,10,11,14,14,15];

// Define Data
var data = [{
  x: xArray,
  y: yArray,
  mode: "lines",
  type: "scatter"
}];

// Define Layout
var layout = {
  xaxis: {range: [40, 160], title: "Square Meters"},
  yaxis: {range: [5, 16], title: "Price in Millions"},
  title: "House Prices vs Size"
};

// Display using Plotly
Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Linear Graphs

Source Code

var exp = "x + 17";

// Generate values
var xValues = [];
var yValues = [];
for (var x = 0; x <= 10; x += 1) {
  yValues.push(eval(exp));
  xValues.push(x);
}

// Define Data
var data = [{
  x: xValues,
  y: yValues,
  mode: "lines"
}];

// Define Layout
var layout = {title: "y = " + exp};

// Display using Plotly
Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Multiple Lines

Source Code

var exp1 = "x";
var exp2 = "1.5*x";
var exp3 = "1.5*x + 7";

// Generate values

var x1Values = [];
var x2Values = [];
var x3Values = [];
var y1Values = [];
var y2Values = [];
var y3Values = [];

for (var x = 0; x <= 10; x += 1) {
  x1Values.push(x);
  x2Values.push(x);
  x3Values.push(x);
  y1Values.push(eval(exp1));
  y2Values.push(eval(exp2));
  y3Values.push(eval(exp3));
}

// Define Data
var data = [
  {x: x1Values, y: y1Values, mode:"lines"},
  {x: x2Values, y: y2Values, mode:"lines"},
  {x: x3Values, y: y3Values, mode:"lines"}
];

// Define Layout
var layout = {title: "[y=" + exp1 + "] [y=" + exp2 + "] [y=" + exp3 + "]"};

// Display using Plotly
Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Bar Charts

Source Code

var xArray = ["Italy","France","Spain","USA","Argentina"];
var yArray = [55, 49, 44, 24, 15];

var data = [{
  x: xArray,
  y: yArray,
  type: "bar" }];
var layout = {title:"World Wide Wine Production"};

Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Horizontal Bar Charts

Source Code

var xArray = [55, 49, 44, 24, 15];
var yArray = ["Italy","France","Spain","USA","Argentina"];

var data = [{
  x: xArray,
  y: yArray,
  type: "bar",
  orientation: "h"
}];

var layout = {title:"World Wide Wine Production"};

Plotly.newPlot("myPlot", data, layout);
Try it Yourself »

Pie Charts

To display a pie instead of bars, change x and y to labels and values, and change the type to "pie":

var data = [{
  labels: xArray,
  values: yArray,
  type: "pie"
}];
Try it Yourself »

Donut Charts

To display a donut instead of a pie, add a hole:

var data = [{
  labels: xArray,
  values: yArray,
  hole: .4,
  type: "pie"
}];
Try it Yourself »

Plotting Equations

Try it Yourself »

Source Code

var exp = "Math.sin(x)";

// Generate values
var xValues = [];
var yValues = [];
for (var x = 0; x <= 10; x += 0.1) {
  yValues.push(eval(exp));
  xValues.push(x);
}

// Display using Plotly
var data = [{x:xValues, y:yValues, mode:"lines"}];
var layout = {title: "y = " + exp};
Plotly.newPlot("myPlot", data, layout);

Try it Yourself »