Q. What is the purpose of destroying the functions and objects?

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Q. When does a cycle occur during memory leak?

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Q. Which of the following is a way to retain an object in memory?

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Q. In which format does JavaScript support external JavaScript?

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Q. What are the two parts of JavaScript libraries?

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Q. Which of the following is added to prefs.js when the console is automatically opened during JavaScript error?

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Q. Which of the following is possible to be referenced in external JavaScript?

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Q. Which of the following attribute takes the source of the PHP file?

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Q. What kind of path can the PHP file be?

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Q. Which of the following global variables is used to get parameters?

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Q. What is the purpose of the RegExp method test()?

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Q. What is the purpose of the function parameter filetype?

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Q. Which of the following is the method used to add an element to the desired location?

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Q. Which program code doesn't need preprocessing before being run?

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Q. What is the significance of scripting?

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Q. What is the purpose of XMLHttpRequest?

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Q. Which API makes the user's current location available to browser-based application?

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Q. Which of the following ensures additional interactivity mechanism?

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Q. What is the necessity to have API?

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Q. What is the purpose of the event onAirEvent?

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