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  1. Which of the following statements is false?

    2. A.

     async and defer attributes of script tag execute before the DOMContentLoaded event
    B.

     defer executes each script sequentially
    C.

     async executes each script when it is ready
    D.

     all older browsers supports async attribute

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    Answer : Option D

    Explanation :

    All older browsers does not support async. So async and defer are used together in combination.

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