jakub-g/window proxy.html

## window proxy.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">

<script>
var windowProxy = new Proxy(window, {
  get: function(target, propKey, value) {
    if (typeof propKey !== 'symbol') {
      debugger
      console.log('getting window.' + propKey);
      console.log(new Error().stack);
    }
    return Reflect.get(target, propKey);
  },
  set: function(target, propKey, value, receiver) {
    debugger
    console.log('setting ' + propKey + ' to ' + value);
    return Reflect.set(target, propKey, value, receiver);
  }
});

with(windowProxy) {
  whatever = 42;            // not trapped via setter, even if the value is correctly set
  let local = whatever;     // trapped via getter
}
windowProxy.whatever = 84;  // trapped via setter
</script>
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">

	<script>
	var windowProxy = new Proxy(window, {
	get: function(target, propKey, value) {
	if (typeof propKey !== 'symbol') {
	debugger
	console.log('getting window.' + propKey);
	console.log(new Error().stack);
	}
	return Reflect.get(target, propKey);
	},
	set: function(target, propKey, value, receiver) {
	debugger
	console.log('setting ' + propKey + ' to ' + value);
	return Reflect.set(target, propKey, value, receiver);
	}
	});

	with(windowProxy) {
	whatever = 42; // not trapped via setter, even if the value is correctly set
	let local = whatever; // trapped via getter
	}
	windowProxy.whatever = 84; // trapped via setter
	</script>