在Vue 3中,如果你遇到了this.dom.getContext is not a function的错误,这通常意味着this.dom不是一个DOM元素,或者不是一个具有getContext方法的DOM元素(如Canvas)。下面我将根据给出的提示,逐步分析并给出可能的解决方案: 确认this.dom对象的类型和状态: 首先,你需要确认this.dom确实是一个DOM元素。在Vue 3中...
问题:在VUE中 如果使用了 tabs 关在tab 中加入了<div>标签;在初始化中 执行echart.init() 可能会 报错:this.dom.getContext is not a function;大致如下所示: <el-tabs> <el-tab-pane> <div> <div style="height: 500px;widows:1000px;" ref="homeLineRef"></div> </div> </el-tab-pane> </...
echarts 画图报错 this.dom.getContext is not a function; 原因:因为在初始化echarts的时候,echarts.js规定只能使用dom原生方法获取标签,即document.getElementById(‘main’); 错误写法: var myCommentLineChart = echarts.init($("#comment-line")); 1. 加粗样式 var myCommentLineChart = echarts.init(d...
echarts 画图报错 this.dom.getContext is not a function; 原因:因为在初始化echarts的时候,echarts.js规定只能使用dom原生方法获取标签,即document.getElementById('main'); 错误写法: varmyCommentLineChart = echarts.init($("#comment-line")); 正确写法: varmyCommentLineChart = echarts.init(document....
ECharts使用：this.dom.getContextisnotafunction ECharts使⽤：this.dom.getContextisnotafunction echarts 画图报错 this.dom.getContext is not a function;原因:因为在初始化echarts的时候，echarts.js规定只能使⽤dom原⽣⽅法获取标签，即document.getElementById('main')；错误写法：var myCommentLine...
就可以啦 <script type="text/javascript"> var c = document.getElementById("myCanvas");var cxt = c.getContext("2d");cxt.fillStyle="#FF0000";cxt.fillRect(0,0,150,75);//jquery var my=$("#myCanvas");var context=my[0].getContext('2d');context.fillStyle="#FF0000";conte...
Application Type Reactive I am trying to draw a rectangle on a container using JavaScript, however I keep encountering the below error: canvas.getContext is not a function Please see the JavaScript I am using: console.log("START");
canvas.getContext is not a function at Array.populateNodes (script.js:95) at Array.Co.call (d3.v3.min.js:3) at gen_graph (script.js:63) at Object.success (main.js:16) at i (jquery.min.js:2) at Object.fireWith [as resolveWith] (jquery.min.js:2) at A (jquery.min.js:4) ...
But the below error occurs. draw-card.jsx:69 Uncaught (in promise) TypeError: canvas.getContext is not a function kobe651jp closed this ascompletedon Dec 12, 2023 Sign up for freeto join this conversation on GitHub.Already have an account?Sign in to comment ...
我给<el-card>绑定了ref,利用$refs获取 echarts实例 const echarts1 = echarts.init(this.$refs.echarts1); 结果报错了 解决办法: <el-card style="width: 100%; height: 260px"> <div ref="echarts1" style="height: 260px"></div>