I have a component library that I’m writing unit tests for using Jest and react-testing-library. Based on certain props or events I want to verify that certain elements aren’t...
I’m trying to use react hooks for a simple problem const [personState,setPersonState] = useState({ DefinedObject }); with following dependencies. "dependencies": { "react": "^16.8.6", "react-dom": "^16.8.6", "react-scripts": "3.0.0" } but...
I have a React component, and inside the render method of the component I have something like this: render() { return ( <div> <div> // removed for brevity </div>...
How do I get the full URL from within a ReactJS component? I’m thinking it should be something like this.props.location but it is undefined 9 Answers 9
I’m a bit new to react. I see we have to import two things to get started, React and ReactDOM, can anyone explain the difference. I’m reading through the...
This question already has answers here: How to access the correct `this` inside a callback (13 answers) Closed 2 years ago. I am writing a simple component in ES6...
I’m having trouble to update the checkbox state after it’s assigned with default value checked="checked" in React. var rCheck = React.createElement('input', { type: 'checkbox', checked: 'checked', value: true },...
var MySelect = React.createClass({ change: function(){ return document.querySelector('#lang').value; }, render: function(){ return( <div> <select id="lang"> <option value="select" onChange={this.change}>Select</option> <option value="Java" onChange={this.change}>Java</option> <option value="C++" onChange={this.change}>C++</option> </select> <p></p> <p value={this.change}></p> </div>...
The following code can be found in this live example I’ve got the following react native element: 'use strict'; var React = require('react-native'); var { AppRegistry, StyleSheet, Text, View,...
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