How can I debug type coercion issues in JavaScript?
Debugging type coercion in JavaScript involves understanding how different types are converted. You can use typeof
to check types and console.log
to trace values.
Can you give me an example of type coercion?
Sure! For instance, if you add a number and a string, like 5 + '5'
, JavaScript coerces the number to a string, resulting in '55'
.
What tools can help with debugging?
You can use browser developer tools, like the console and debugger, to inspect variables and see how values change during execution.
Are there common pitfalls I should be aware of?
Yes, common pitfalls include unexpected results from comparisons, like 0 == '0'
being true, but 0 === '0'
being false due to type differences.
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