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level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">How To Guides</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a class="nav-link"><span class="title">Common Charts</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a class="nav-link"><span class="title">Bar</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/basic-bar" class="nav-link"><span class="title">Basic Bar</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/stacked-bar" class="nav-link"><span class="title">Stacked Bar</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/bar-race" class="nav-link"><span class="title">Bar Racing</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/how-to/chart-types/bar/waterfall" class="nav-link"><span class="title">Waterfall</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Line</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/basic-line" class="nav-link"><span class="title">Basic Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/stacked-line" class="nav-link"><span class="title">Stacked Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/area-line" class="nav-link"><span class="title">Area Chart</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/smooth-line" class="nav-link"><span class="title">Smoothed Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/line/step-line" class="nav-link"><span class="title">Step Line</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Pie</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/basic-pie" class="nav-link"><span class="title">Basic Pie</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/doughnut" class="nav-link"><span class="title">Ring Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/rose" class="nav-link"><span class="title">Rose Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Scatter</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/scatter/basic-scatter" class="nav-link"><span class="title">Basic Scatter</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li></ul></li><!----><li class="nav-item"><a class="nav-link"><span class="title">Cross Platform</span> <span class="glyphicon 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Text</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Animation</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/animation/transition" class="nav-link"><span class="title">Data Transition</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Interaction</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/interaction/drag" class="nav-link"><span class="title">Drag</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/en/how-to/interaction/coarse-pointer" class="nav-link"><span class="title">Intelligent Pointer Snapping</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Best Practices</span></div> <ul class="nav bd-sidenav level1"><!----><li class="nav-item"><a href="/handbook/en/best-practices/canvas-vs-svg" class="nav-link"><span class="title">Canvas vs. SVG</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/best-practices/aria" class="nav-link"><span class="title">Aria</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Edit Handbook</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/meta/edit-guide" class="nav-link"><span class="title">Edit Guide</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li></ul></div> <div class="open-sidebar"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg></div></div> <div class="bd-content col-sm-7 pl-sm-2 col-12"><div class="post-content content"><div><div class="post-inner"><!----> <div class="nuxt-content"><article><h1 id="get-help" tabindex="-1">Get Help</h1> <h2 id="technical-problems" tabindex="-1">Technical Problems</h2> <h3 id="make-sure-that-existing-documentation-do-not-solve-your-problem" tabindex="-1">Make sure that existing documentation do not solve your problem</h3> <p>ECharts has a very large number of users, so it's more than likely that someone else has encountered and solved the problem you've had. By reading the documentation and using the search engine, you can solve your problem quickly by yourself without help from the community.</p> <p>Therefore, before doing anything else, make sure that current documentation and other resources can't solve your problem. Resources that can be helpful for you include,</p> <ul><li><a href="https://echarts.apache.org/api.html">API</a></li> <li><a href="https://echarts.apache.org/option.html">Option Manual</a> - you can try to use the search function</li> <li>Articles in this handbook</li> <li><a href="https://echarts.apache.org/faq.html">FAQ</a></li> <li>Searching in <a href="https://github.com/apache/echarts/issues">GitHub issue</a></li> <li>Using the search engine</li></ul> <h3 id="create-the-minimal-reproducible-demo" tabindex="-1">Create the Minimal Reproducible Demo</h3> <p>Create an example on <a href="https://echarts.apache.org/examples/editor.html">Official Editor</a>, <a href="https://codepen.io/Ovilia/pen/dyYWXWM">CodePen</a>, <a href="https://codesandbox.io/s/echarts-basic-example-template-mpfz1s">CodeSandbox</a> or <a href="https://jsfiddle.net/plainheart/e46ozpqj/7/">JSFiddle</a>, which will make it easier for others to reproduce your problem.</p> <p>The example should reproduce your problem in the simplest way. Removing unnecessary code and data can enable those who want to help you to locate and then solve the problem more quickly. Please refer to <a href="https://stackoverflow.com/help/minimal-reproducible-example">How to Create a Minimal, Reproducible Example</a> for more details.</p> <h3 id="determining-if-it's-a-bug" tabindex="-1">Determining if It's a Bug</h3> <h4 id="report-a-bug-or-request-a-new-feature" tabindex="-1">Report a Bug or Request a New Feature</h4> <p>If some behavior is different from the documentation or isn't what you expected, it's probably a bug. If it's a bug, or you have a feature request, please use the <a href="https://github.com/apache/echarts/issues/new/choose">issue template</a> to create a new issue and describe it in detail as per the prompts.</p> <h4 id="how-to-questions" tabindex="-1">How-To Questions</h4> <p>If it's not a bug, but you don't know how to achieve something, try the <a href="https://stackoverflow.com">stackoverflow.com</a></p> <p>If you don't get an answer, you can also send an email to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>. In order for more people to understand your question and to get help in future searches, it is highly recommended to write the email in English.</p> <h2 id="non-technical-questions" tabindex="-1">Non-technical questions</h2> <p>For other non-technical questions, you can send an email in English to <a href="mailto:dev@echarts.apache.org">dev@echarts.apache.org</a>.</p></article></div></div> <div class="post-contributors"><h3><span class="inline-block align-middle">Contributors</span> <a target="_blank" href="https://github.com/apache/echarts-handbook/tree/master/contents/en/basics/help.md" title="Edit this Document" class="inline-block align-middle text-sm"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-8 w-8 inline-block align-middle"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path></svg> <span class="inline-block align-middle">Edit this page on GitHub</span></a></h3> <div class="post-contributors-list"><a href="https://github.com/plainheart" target="_blank" class="post-contributor"><img alt="plainheart" src="https://avatars.githubusercontent.com/plainheart?size=60" loading="lazy"> <span>plainheart</span></a><a href="https://github.com/pissang" target="_blank" class="post-contributor"><img alt="pissang" src="https://avatars.githubusercontent.com/pissang?size=60" loading="lazy"> <span>pissang</span></a></div></div></div></div></div></div> <link rel="stylesheet" href="//fastly.jsdelivr.net/npm/highlight.js@9.12.0/styles/github-gist.min.css"></div></div></div></div><script>window.__NUXT__=function(t,e,i,r,a,l,d,o,n,s,h,c,p,u,m,f,b,g,y,v,w,x,k,C,P,S,B,E,R,q,D,I,M,A,T,G,H,L,_,z,F,O,V,N,W,U,j,Q,X,$,J,Y,K,Z,tt,et,it,rt){return{layout:"default",data:[{html:'<h1 id="get-help" tabindex="-1">Get Help</h1>\n<h2 id="technical-problems" tabindex="-1">Technical Problems</h2>\n<h3 id="make-sure-that-existing-documentation-do-not-solve-your-problem" tabindex="-1">Make sure that existing documentation do not solve your problem</h3>\n<p>ECharts has a very large number of users, so it\'s more than likely that someone else has encountered and solved the problem you\'ve had. 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