import{useEffect, useRef}from'react';exportfunctionRefDemo(){constinputRef =useRef();useEffect(() =>{inputRef.current.focus();}, []);return(<div><inputref={inputRef}/></div>); } In the above code snippet, we get several errors - the errors are quite lengthy and confusing when we ...
/d3.v4.js"></script> <!-- Add 2 buttons--> <button type="button" onclick="changeColor('blue')">Blue</button> <button type="button" onclick="changeColor('red')">Red</button> <!-- Create a div where the circle will take place --> <div id="dataviz_buttonTriger"></div>...
<divclass="grid"> <divclass="container"data-sizes="title"></div> <divclass="column"></div> </div> <divclass="grid cols-2"> <divclass="container cols-2"data-sizes="title"></div> <divclass="column"></div> <divclass="column col-2"></div> </div> <divclass="grid cols-3"...
(err){ console.error("this is the error handler from xhr for file upload", err); resetMainControls(); hideLoadingDiv(); showMessages(errorReportMessage, false); }; var fileType = filesArr[filesIndex].type; xhr.onreadystatechange = function(evt) { // Call...
In this example, we have a function, within which we set a variable and then use some jQuery to modify a div. However, because we didn’t specify the “var” keyword, we’ve actually just added a new object to the global scope: message. In fact, if some other functionality was relyi...
(err){ console.error("this is the error handler from xhr for file upload", err); resetMainControls(); hideLoadingDiv(); showMessages(errorReportMessage, false); }; var fileType = filesArr[filesIndex].type; xhr.onreadystatechange = function(evt) { // Call...
We’ll get to how to set up aliases in a moment, but for now, let’s instead modify ourreactStartupfile (or whatever your entry file is called) as follows: importReactfrom"react";import{render}from"react-dom";render(<div><h1>Hi there</h1></div>,document.getElementById("home"));...
Previous: Variables in Docker Compose Next: Dev Workflow IntroWe add a node service that we can use to build our static assets: version: '3' services: app: build: context: ./docker/app dockerfile: Dockerfile image: shippingdocker/app:latest networks: - appnet volumes: - .:/var/www/...
Theaccount_paymentsvariable includes the<div>element that renders the microapp and a script tag containing the microapp URL. If thewindow.BigCommerceobject does not yet exist, insert a script to create it. If the selected payment provider already has an integration with the Storefront account pay...
In the end, yourApp.vuecomponent will look like this: //App.vue <template> <div id="app"> <div v-for="message in messages"> <h4>{{ message.title }}</h4> <p>{{ message.text }}</p> <p>{{ message.timestamp }}</p> ...