What are JavaScript expressions and how do I use them?
JavaScript expressions are snippets of code that produce a value. You can use them in various contexts, like assignments or conditions.
Can you give me some examples of JavaScript expressions?
Sure! Here are a few examples: 1. 5 + 3
(arithmetic expression), 2. x > 10
(comparison expression), 3. true && false
(logical expression).
How do I use expressions in functions?
You can use expressions as arguments in functions. For example, Math.max(5, 10)
uses the expression 5
and 10
to return the maximum value.
Are there any common mistakes to avoid with JavaScript expressions?
Yes, common mistakes include using assignment =
instead of comparison ==
or ===
, and forgetting to use parentheses in complex expressions.
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