In HTML5, the field provides a user-friendly numeric input interface. However, it sanitizes input, returning an empty string for invalid numerical values. This can be problematic when you want to capture the raw input.
According to the WHATWG specifications, user agents should set the value to an empty string if the input is not a valid floating-point number. This means browsers are responsible for handling the sanitization process.
If you wish to obtain the raw input, you'll need to rely on the field and manually parse the content yourself. This alternative approach grants you greater control over the input validation and handling.
In the case of the field, you'll only be able to retrieve a value if it's a valid floating-point number. The W3 guidelines further mandate that user agents should prevent users from setting non-empty values that are not valid numbers.
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