WebViewの制御を実現するコンポーネントはJavaScriptに対応していますか?

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <CheckBox
        android:id="@+id/checkBox1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="    JavaScript  " />
    <WebView
        android:id="@+id/webView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

public class MainActivity extends Activity {
	
	private WebView webView;//  WebView     
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        webView = (WebView)findViewById(R.id.webView1);//           WebView  
        CheckBox check = (CheckBox)findViewById(R.id.checkBox1);//                
        check.setOnCheckedChangeListener(new OnCheckedChangeListener() {
			@Override
			public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
				if(isChecked){
					webView.getSettings().setJavaScriptEnabled(true);//  JavaScript  
					webView.setWebChromeClient(new WebChromeClient());
					webView.loadUrl("http://www.baidu.com");//        
				}else{
					webView.loadUrl("http://www.baidu.com");//        
				}
			}
		});
        webView.loadUrl("http://www.baidu.com");//        
    }
}

<uses-permission android:name="android.permission.INTERNET"/>