Write and register an event handler that changes the background color of the h$1$ tag to blue on mouseout.Write and register an event handler that changes the background color of the $h1$ tag to blue on mouseout.

Checking background color on h$1$ element before any event

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$x$ Checking background color on $h1$ after event on $h1$

Yours and expected differ. See highlights below.

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Expected

Checking background color on h$2$ after event on h$2$

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Checking background color on h$3$ after event on h$3$

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Checking background color on $p$ after event on $p$

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