Plotly.js v1.5.1 发布，更新如下： 修复 Scattergeo and choropleth now correctly fire hover and click events [#215] Heatmap and contour traces are redrawn in the correct order [#194] Early returns in Plotly.plot now correctly return Promise rejections [#226] Soon to be deprecated SVGElement.offsetParent calls are removed [#222] Geo zoom in button is now correctly titled Zoom in [#219] All attribute description are correctly stripped from the dist files (bug introduce in 1.5.0) [#223] Insecure dev dependencies ecstatic and uglify-js are bumped [#225] Outdated karma-browserify dev dependency is bumped [#229] 下载页面：1.5.1 Plotly.js 是开源的 JavaScript 图表库，它基于 d3.js 和 stack.gl 。是一个高层次的、描述性的图表库。 plotly.js 带来20种图表类型，包括 3D 图表，统计图表，和 SVG 地图。 Plotly.js v1.5.1 发布，JavaScript 图表下载地址
