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Javascript 2021-09-05 08:33:02
how to update state.item[1] in state using setState? React
handleChange: function (e) { // 1. Make a shallow copy of the items let items = [...this.state.items]; // 2. Make a shallow copy of the item you want to mutate let item = {...items[1]}; // 3. Replace the property you're intested in ... Add solution -
Javascript 2021-09-03 23:49:01
render first index active tabs in reactjs
import React, { Component } from "react"; class Page extends React.Component { constructor(props) { super(props); this.state = { activeTab: 0, }; this.handleClickActiveTab = this.handleClickActiveTab.bind(this); } handleClickActiveTab(e) { ... Add solution -
Javascript 2021-09-03 14:11:02
how to send post request js fetch
componentDidMount() { // Simple POST request with a JSON body using fetch const requestOptions = { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ title: 'React POST Request Example' ... Add solution -
Javascript 2021-09-03 12:39:02
communication child to parent react js
import React from 'react'; import Child from './Child' export default class Parent extends React.Component { constructor(props){ super(props); th... Add solution -
Javascript 2021-09-02 23:28:01
handle onchange react
import React, { Component } from 'react'; import './App.css'; import Header from './Header'; class App extends Component { constructor(props) { super(props); this.state = {name: "Michael"} } changeTitle = (e) =>{ this.... Add solution -
Other 2021-09-01 07:43:02
auto navigate to home screen after otp login flutter
class SignUpView extends StatefulWidget { @override _SignUpViewState createState() => _SignUpViewState(); } class _SignUpViewState extends State<SignUpView> { final formKey = new GlobalKey<FormState>(); String phoneNo, verificati... Add solution -
Other 2021-08-31 17:06:03
get my location in flutter
import 'package:flutter/material.dart'; import 'package:geolocator/geolocator.dart'; void main() => runApp(MapScreen()); class MapScreen extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title:... Add solution
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