JS Tutoriaal

JS TUIS JS Inleiding JS Waarheen JS Uitset JS Verklarings JS sintaksis JS Kommentaar JS veranderlikes JS Laat JS Konst JS-operateurs JS Rekenkunde JS Opdrag JS datatipes JS Funksies JS Voorwerpe JS Events JS Strings JS String Metodes JS String Soek JS String Templates JS nommers JS-nommermetodes JS Skikkings JS Skikking Metodes JS Array Sorteer JS Skikking Iterasie JS Array Konst JS Datums JS Datum Formate JS Datum Kry Metodes JS Datum Stel Metodes JS Wiskunde JS Random JS Booleans JS Vergelykings JS Voorwaardes JS Skakelaar JS Loop Vir JS Loop For In JS Loop Vir Van JS Loop Terwyl JS Break JS Iterables JS-stelle JS Kaarte JS tipe JS Tipe Omskakeling JS Bitwise JS RegExp JS foute JS Bestek JS Hysing JS Streng modus JS hierdie sleutelwoord JS Arrow Funksie JS Klasse JS JSON JS Ontfouting JS Stylgids JS Beste Praktyke JS foute JS prestasie JS Voorbehou Woorde

JS weergawes

JS weergawes JS 2009 (ES5) JS 2015 (ES6) JS 2016 JS 2017 JS 2018 JS IE / Edge JS Geskiedenis

JS Voorwerpe

Voorwerpdefinisies Voorwerp Eienskappe Voorwerp Metodes Voorwerp vertoon Voorwerptoebehore Voorwerpkonstrukteurs Voorwerpprototipes Object Iterables Voorwerpstelle Voorwerpkaarte Voorwerpverwysing

JS Funksies

Funksie definisies Funksie parameters Funksie Aanroep Funksie oproep Funksie Pas toe Funksie sluitings

JS Klasse

Klasintro Klas Erfenis Klas Staties

JS Async

JS Terugbelle JS Asynchroon JS Beloftes JS Async/Wag

JS HTML DOM

DOM Inleiding DOM Metodes DOM-dokument DOM Elemente DOM HTML DOM-vorms DOM CSS DOM-animasies DOM-geleenthede DOM Gebeurtenis Luisteraar DOM-navigasie DOM nodusse DOM Versamelings DOM Node lyste

JS Browser BOM

JS venster JS skerm JS ligging JS Geskiedenis JS Navigator JS Popup Alert JS Tydsberekening JS koekies

JS Web API's

Web API Inleiding Webvorms API Webgeskiedenis API Webberging API Webwerker API Web haal API Web Geolocation API

JS AJAX

AJAX Intro AJAX XMLHttp AJAX-versoek AJAX-reaksie AJAX XML-lêer AJAX PHP AJAX ASP AJAX-databasis AJAX toepassings AJAX voorbeelde

JS JSON

JSON Inleiding JSON-sintaksis JSON vs XML JSON-datatipes JSON Ontleed JSON Stringify JSON-voorwerpe JSON-skikkings JSON-bediener JSON PHP JSON HTML JSON JSONP

JS vs jQuery

jQuery keurders jQuery HTML jQuery CSS jQuery DOM

JS grafika

JS grafika JS Canvas JS Plot JS Chart.js JS Google Chart JS D3.js

JS Voorbeelde

JS Voorbeelde JS HTML DOM JS HTML-invoer JS HTML-voorwerpe JS HTML-geleenthede JS Blaaier JS Redakteur JS Oefeninge JS Vasvra JS Sertifikaat

JS Verwysings

JavaScript-voorwerpe HTML DOM-voorwerpe


Plotly.js

Plotly.js is 'n kaartbiblioteek wat met meer as 40 kaarttipes, 3D-kaarte, statistiese grafieke en SVG-kaarte kom.

Strooi erwe

4060801001201401606810121416
House Prices vs. SizeSquare MetersPrice in Millions

Bronkode

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);


Lyngrafieke

4060801001201401606810121416
House Prices vs SizeSquare MetersPrice in Millions

Bronkode

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);


Lineêre grafieke

Bronkode

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);


Veelvuldige lyne

024681005101520
trace 0trace 1trace 2[y=x] [y=1.5*x] [y=1.5*x + 7]

Bronkode

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);


Staafgrafieke

ItalyFranceSpainUSAArgentina01020304050
World Wine Wine Production

Bronkode

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 Wine Wine Production"};

Plotly.newPlot("myPlot", data, layout);


Horisontale staafgrafieke

01020304050Italy France Spain USA Argentina
World Wine Wine Production

Bronkode

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 Wine Wine Production"};

Plotly.newPlot("myPlot", data, layout);


Sirkeldiagramme

29.4%26.2%23.5%12.8%8.02%
ItalyFranceSpainUSAArgentinaWorld Wine Wine Production

Om 'n pastei in plaas van stawe te vertoon, verander x en y na byskrifte en waardes, en verander die tipe na "pastei":

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


Doughnut Charts

29.4%26.2%23.5%12.8%8.02%
ItalyFranceSpainUSAArgentinaWorld Wine Wine Production

Om 'n doughnut in plaas van 'n tert te vertoon, voeg 'n gaatjie by:

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


Plot van vergelykings

Bronkode

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);