Q. What is the result when the showPerformanceMetrics() is called before loading the remote script?

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Q. What are the parameters of the attachEvent function?

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Q. Where is the external JavaScript placed in the case of lazy loading?

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Q. What is the purpose of lazy loading?

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Q. When the 'end' event fires on EOF when no more data will arrive, which function is called?

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Q. What is the purpose of the method localeCompare()?

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Q. Which of the following are client-side JavaScript object?

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Q. Which best explains getSelection()?

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Q. Which of the following navigator object properties is the same in both Netscape and IE?

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Q. What is the purpose of creating a data frame?

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Q. What is the method to create a data frame ?

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Q. What is the default value of the asyc attribute?

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Q. What is the purpose of the method createDocumentFragment()?

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Q. What is the method used to create an element in the HTML DOM?

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Q. What is the type of datatype the async attribute optionally accepts?

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Q. What is the purpose of the startTimeLogging() method?

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Q. Why do we need to use an onload event in the script tag after using the async attribute?

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Q. What is the purpose of using the async attribute in the script tag?

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Q. What should be the type of the script_url?

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Q. How to get a particular value using the tagged name?

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