title: How to tweak some the javascript in webview in react native?
body: <p>I am using WebView inside my ReactNative Application.</p>
  
  <p>I want to tweak some of the Javascript of the given/attached URL (inside the webView) of my reactnative application, How to insert my own JS using injectJavaScript or injectedJavaScript. If I only want to change at a specific point like on one action button to capture an image, I want to open the camera of my phone using that button which is embedded inside the webView URL.</p>
  
  <p>Any help?</p>