/Javascript/React/Get image url in react input file or preview form image

Get image url in react input file or preview form image

getInitialState: function(){
  return{file: []}
}

_onChange: (event)=>{
    this.setState({
        imgs: event.target.files
    })
},

render: function(){
 return(
  <div>
    <form>
      <input 
        ref="file" 
        type="file" 
        name="user[image]" 
        multiple="true"
        onChange={this._onChange}/>
    </form>

    {/* Display all selected images. */}        
    {this.state.imgs && [...this.state.imgs].map((file)=>(
       <img src={URL.createObjectURL(file)} />
    ))}

  </div>
 )
}

Source: stackoverflow.com

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