[GitHub] nickelmatt opened a new issue #8320: Tooltip isn't visible when canvas is passed instead of div during init

[GitBox <gi...@apache.org>]

nickelmatt opened a new issue #8320: Tooltip isn't visible when canvas is passed instead of div during init
URL: https://github.com/apache/incubator-echarts/issues/8320
 
 
   When "echarts.init" is called and given a canvas as the parameter instead of a div, the tooltip div is appended as a child of the canvas. This make it not work.
   
   
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 4.1.0.rc2 Full]:
   + Browser version [Google Chrome Version 66.0.3359.139 (Official Build) (64-bit)]:
   + OS Version [Ubuntu 16.04 LTS]:
   
   
   
   
   
   ### Expected behaviour [期望结果]
   When a canvas is passed, the parent element would most probably be a div. The tooltip should be appended to the parent element instead. I've included a patch that removes the tooltip from the canvas and append it to the parent element and it works.
   
   
   
   ### ECharts option [ECharts配置项]
   ```javascript
    options = {
           tooltip: {
               trigger: 'axis',
               position: function(point, params, dom, rect, size) {
                   dom.parentElement.removeChild(dom);
                   document.getElementById("chart").appendChild(dom);
               }
           },
   }
   
   ```
   
   
   
   
   

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