Labella.js 是 Twitter 开源的时间轴标签放置工具，可以把标签没有重叠的放在时间轴上。 

安装

npm install labella --save
or
bower install labella --save

例子

// idealPos: The most preferred position for each label
// width:    The width of each label
var nodes = [
  new labella.Node(1, 50), // idealPos, width
  new labella.Node(2, 50),
  new labella.Node(3, 50),
  new labella.Node(3, 50),
  new labella.Node(3, 50),
];

var force = new labella.Force()
  .nodes(nodes)
  .compute();

// The rendering is independent from this library.
// User can use canvas, svg or any library to draw the labels.
// There is also a built-in helper for this purpose. See labella.Renderer
draw(force.nodes());

链接: https://www.fly63.com/nav/1938