chart js api

Preface You can locate the chart, VML, SVG, and HTML5 canvas of the browser in different ways. If you use the existing JS Library (various libraries that implement JS charts to summarize and compare), the API calling method is certainly different. For example, you can use addfigure and setposition in draw2d to set the

This article is mainly on the jquery JS Chart Component Highcharts Detailed introduction, the need for friends can come to the reference, I hope to help youHighcharts is a pure JavaScript library for charting, with the following main features: Compatibility: Compatible with all today's browsers, including iphones, IE and Firefox, and free for non-commercial users (including personal websites, non-profit org

piedata = pie (DataSet); Layout is called a layout, and in D3.js it provides a number of functions that are converted to specific chart data, including pie charts. It provides a basic transformation function, on the basis of which we further set the function according to our own needs, and we get the same transformation tool as the function saved by the pie variable in the above code, and the drawing

a project that was done a while ago needs to be used JS The chart, looked for on the net, probably found the Highcharts, Fusioncharts these foreign products. Because all charges, although there is piracy, I dare not to use, in case they are found to Zaguomaitie. Write your own JS chart, to be exhausted certainly can no

Chart is a pure JS plug-in, it is powerful and small to use is very simple.The first step is to introduce chart.js.The second draw control style can be defined by itself but the ID cannot be changedThe third step configuration parameter//If it is multiple data comparison, copy multiple datasets separated by commas but the value of datasets data to pass a differentvar linechartdata = {Labels:monthyear,//labe

Example of vue. js + Echarts Development Chart zoom-in and zoom-out function, vue. jsecharts Recently, I used echarts to develop the chart function of a system. I first stated that my previous ext. js and ext. js have their own set of components for the

This article mainly introduces node. use q. js implements api promise. promise is a standard that describes the returned results of asynchronous calls, including correct returned results and error handling, need a friend can refer to what is promise and promise solution is what problem, please experience node callback asynchronous coding method, along with the step http://wiki.commonjs.org/wiki/Promises/A t

for each region: DX and dy. Used to save offsets.2. Definition of the Drag eventEach time the drag event is triggered, we just need to get the mouse offset and add it to the original offset dx and dy.Then use D3.select (this) to select the current element and apply the transform to it to complete the panning operation.var drag = D3.behavior.drag (). Origin (function (d) {return D;}). On ("Drag", DragMove), function DragMove (d) {d.dx + = D3.event.dx;d.dy + = D3.event.dy;d3.select (this). attr (

[D3.js advanced series-6.2] drag and drop a pie chart, d3.js6.2 This article describes a more complex drag-and-drop application, that is, the drag-and-drop Pie Chart Section. In Chapter 9.1, I will explain how to create a pie chart. Each part of a pie chart is represented

Myfocus IntroductionMyfocus is a focus on the slide/rotation chart production of JS Library, it is small and completely independent JS Library, it can easily make the most common online slides (even flash slide), and make the slide volume is very small (1KB or so), The function is also very complete, because it is lightweight, and its efficiency is higher than th

First, JS use div elements to draw a column chartThe following function defines a column bar with a height, width, and column spacing of distance in the div with the ID chart, and a different color based on the height value, choosing the appropriate maximum width based on the width range. Adds mouse-over and move-out events to the bar, moves to the information that displays the bar, and removes the deletion

Jquery.gantt is an open source JS library based on the jquery library's extensible functionality for Gantt Chart effects. It can either be graphically arranged or show the distribution of data.I on the original basis, modified some of the code, more than the original function, the main improvement is:1, fixed "a certain piece of data is empty when the original code JS