Computer Science and Engineering › Javascript DOM & Event Handling MCQ › Question #5120
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QThe fourth argument to open() will be useful when?

ID: #5120 Javascript DOM & Event Handling MCQ 139 views
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#5120Q ID
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Javascript DOM & Event Handling MCQTopic
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  • A When the second argument names a retired window ✔ ✖
  • B When the first argument names an existing window ✔ ✖
  • C When the second argument names an existing window ✔ ✖
  • D When the first argument names a retired window ✔ ✖
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Explanation

The fourth argument to open() is useful only when the second argument names an existing window.
The fourth argument is a boolean value, indicating whether the URL should replace the current entry in the window's browsing history (true) or create a new entry in the window's browsing history (false)
Omitting this argument is the same as passing false by default.

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