JavaScript Can not understand this DOM target with JS [duplicate] understand target market,understand target customers,understand target behavior,understand

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Answer:1

Welcome to StackOverflow.

You need to use the string interpolation symbols ( ` ) around that string in order to do the ${...} substitution properly:

`audio[data-key="${e.keyCode}"]`

Otherwise the selector query is receiving the literal string which is trying to match elements with data-key equal to "${e.keyCode}". This is called a "template literal" and you can read more about the nuances here.

Alternatively, you could do this to avoid using a template literal and stick to standard quotes:

'audio[data-key="' + e.keyCode + '"]'
Answer:2

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