How do I use parseFloat in JavaScript?
An example of an AI chatbot conversation about using parseFloat in JavaScript.
How do I use parseFloat in JavaScript?
You can use parseFloat to convert a string to a floating-point number. For example, parseFloat('3.14') returns 3.14.
What happens if the string can't be converted?
If the string can't be converted, parseFloat will return NaN (Not-a-Number). For example, parseFloat('abc') returns NaN.
Can I use parseFloat with numbers in different formats?
Yes, parseFloat can handle numbers in various formats, like '10.5', '3.14e2', or even ' 42 ' (with spaces).
Are there any limitations I should be aware of?
Yes, parseFloat only reads until it encounters a character that isn't part of a number. For example, parseFloat('3.14abc') will return 3.14.
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