A chart legend appears by default when you first create a chart. For most charts, legends show the names and colors of each series of data. The legend text is taken from the chart’s data range.
What is the function of legend in chart?
A legend is a tool to help explain a graph. You are most commonly going to want to add one to a bar chart where you have several data series. You’ll also want to add one to a line or scatter plot when you have more than one series. Essentially you use a legend to help make a complicated plot more understandable.
How do you chart in JavaScript?
- Typical Scatter Chart Syntax: var myChart = new Chart(“myChart”, { type: “scatter”, data: {}, options: {} …
- Typical Line Chart Syntax: var myChart = new Chart(“myChart”, { type: “line”, data: {}, options: {} …
- Typical Bar Chart Syntax: var myChart = new Chart(“myChart”, { type: “bar”, data: {},