Started looking at the javascript lecture in the series. There have been
advances in Javascript since last I looked. Like the 'query selector()'
function, which returns the inner html of , for example, an <h1> tag.
Used cleverly, it can accomplish the following:
It is also possible to use triple equality to type check. Below,
from W3Schools. The variable letter x is assigned the value of 5,
which is a number.
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