All checkboxes values in one array

Want to get all selected check box values in one array. But onChange function is giving error as undefined.

I need checkedValue =[]`

And my : imgUrls = [ "https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-3","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-4","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-5","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-6"]

var checkedValue =["https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-4","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-5"]`

var imgUrls = [ "https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-3","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-4","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-5","https://dummyimage.com/100x100/bc6666/FFFFFF/&text=img-6"]


 <ul>
   {this.state.imgUrls.map(function (name, index) {
return <li key={index}>
input type="checkbox" id={name} name={name} onClick={this.funValue}/><label htmlFor={name}>
<img alt={name} src={name} value={name} />
</label>
</li>
})}
   </ul>

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