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Document Object Quiz

When a JavaScript object is sent to Java, the runtime engine creates a Java wrapper of type ___________.

_______ class provides an interface for invoking JavaScript methods and examining JavaScript properties.

_________ is a wrapped Java array, accessed from within JavaScript code.

A ________ object is a reference to one of the classes in a Java package, such as netscape.javascript .

The JavaScript exception is available to the Java code as an instance of __________

netscape.javascript.JSObject

netscape.javascript.JSException

netscape.plugin.JSException

None of the above

To automatically open the console when a JavaScript error occurs which of the following is added to prefs.js?

user_pref(" javascript.console.open_on_error", false);

user_pref("javascript.console.open_error ", true);

user_pref("javascript.console.open_error ", false);

user_pref("javascript.console.open_on_error", true);

To open a dialog box each time an error occurs, which of the following is added to prefs.js?

user_pref("javascript.classic.error_alerts", true);

user_pref("javascript.classic.error_alerts ", false);

user_pref("javascript.console.open_on_error ", true);

user_pref("javascript.console.open_on_error ", false);

The syntax of a blur method in a button object is ______________

The syntax of capture events method for document object is ______________

captureEvents()

captureEvents(args eventType)

captureEvents(eventType)

captureEvents(eventVal)

The syntax of close method for document object is ______________

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This quiz is tagged as: document object, document object, javascript

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