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javascript3's Issues

React fungerar inte? What?

Innan du frågar, har du sett över följande:

  • Kollat efter error i Console i din browser?
  • Kollat efter error i terminalen/kommandotolken?
  • Står i rätt mapp och har sparat alla filer du jobbar på?
  • Laddat om sidan (samt gjort en hard refresh på sidan)?

Förväntat beteende

Det funkar inte, lol

Faktiskt beteende

Det ska fungera??

Error / kod

Exempel

./src/App.js
  Line 9:  'Header' is not defined  react/jsx-no-undef

Search for the keywords to learn more about each error.

Övrig information

  • Operativsystem: macOS Sierra 10.12.6 / Windows 10 / Ubuntu 16.04
  • Browser: Chrome 60 / Firefox 54 / Safari 10.1.12
  • Övrig information om din dator som kan vara nödvändig

problem med create-react-app

Har fått problem med ett nytt create-react-app projekt
Försökte starta ett nytt projekt med create-react-app. Gjorde som vanligt

create-react-app new-project

och har fått ett fel vid körningen.

npm ERR! path C:\Users\4886t\Desktop\brevery-db\node_modules\nan\package.json
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall unlink
npm ERR! Error: EPERM: operation not permitted, unlink 'C:\Users\4886t\Desktop\brevery-db\node_modules\nan\package.json'
npm ERR! at Error (native)
npm ERR! { Error: EPERM: operation not permitted, unlink 'C:\Users\4886t\Desktop\brevery-db\node_modules\nan\package.json'
npm ERR! at Error (native)
npm ERR! stack: 'Error: EPERM: operation not permitted, unlink 'C:\Users\4886t\Desktop\brevery-db\node_modules\nan\package.json'\n at Error (n ative)',
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'unlink',
npm ERR! path: 'C:\Users\4886t\Desktop\brevery-db\node_modules\nan\package.json' }
npm ERR!
npm ERR! Please try running this command again as root/Administrator.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\4886t\AppData\Roaming\npm-cache_logs\2017-09-04T13_42_20_011Z-debug.log

Aborting installation.
npm install --save --save-exact --loglevel error react react-dom react-scripts has failed.

Försökte med att stänga av antivirus programet och köra

npm cache clean --force

men får igen samma fel. Är det någon som har upplevt samma?

  • Operativsystem: Windows 10
  • Browser: Chrome 60

How to add a image from firebase storage?

It is not working. Desperate need help.

const storage = firebase.storage().ref();
export default class App extends Component {
 constructor(){
   super();
   this.state={
     dalaLogo:''
   }
   this.getImage('dalaLogo');
 }
 getImage (image) {
    storage.child(`${image}.jpg`).getDownloadURL().then((url) => {
      this.state[image] = url
      this.setState(this.state)
    }).catch((error) => {
      // Handle any errors
      console.log('yoooo');
    })
 }

 render(){
   return(
        <div>
          <img src={this.state.dalaLogo} alt=""/><p>brbrbr</p>
        </div>
   )
 }
}

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